Forensic Files

Retracing the steps of real investigations with interviews and dramatic re-creations as experts draw on forensic science to solve baffling crimes and other mysteries.
Best Foot Forward
S15 E4

A successful businessman's role in the case of a missing young woman is exposed.

Three's a Crowd (The Susan Fassett Case)
S15 E8

A mother of two is killed leaving church-choir practice. There is little evidence at the scene, but the police uncover a scandal during their investigation.

A Squire's Riches (The Ari Squire Case)
S15 E9

A case of stolen identity is unearthed by forensics as the police investigate the death of a man in a garage fire.

Filtered Out (The Tara Munsey Case)
S15 E14

Forensic evidence in the case of a missing teenager illustrates the tragedy behind a decision to play hooky.

Gone Ballistic
S15 E20

A man's shooting death appears to be robbery related, but the discovery of a mysterious greeting card changes the course of the investigation.

Skeleton Key
S15 E23

An abusive ex-boyfriend is suspected in a woman's disappearance, but a carpet stain and a set of keys lead investigators in another direction.

Funeral Services
S15 E24

The police find a murder suspect on the scene after a child calls 911 about his dead father. But when forensics clears the man, the police must rely on DNA evidence to find the real killer.

Expert Witness
S15 E25

The sexual assault and murder of a woman in her apartment is investigated. The police have no evidence to prove their prime suspect's guilt, but another woman's tragedy may help them solve the case.

DNA Dragnet
S14 E1

Two murders in a South Carolina community are investigated.

Hear No Evil
S14 E2

Evidence that includes threatening emails, a missing person and an abandoned truck lead police to a woman's suspected killer, but they don't have the victim's body.

Hell's Kitchen
S14 E3

A woman has an accidental fall down a flight of stairs and appears to have hit her head, but the lack of blood splatter and misplaced shoes lead police to believe the fall was staged.

Family Ties
S14 E6

A couple are viciously attacked, and one person survives. She identifies the killer but later retracts her statement, so the investigators rely on DNA found on an unlikely source to solve the crime.

Freeze Framed
S14 E7

A man is found dead of an apparent suicide. But soon after, information emerges which reveals a much more menacing scenario.

Holy Terror
S14 E8

A rhinestone dog collar and a hypnotist aid in the investigation of multiple church bombings in Illinois.

Textbook Murder
S14 E9

A young bride-to-be is gunned down in her own home. The attack is personal and as investigators start digging, they uncover the man she loved was living a lie.

Dollars and Sense
S14 E11

Examining an unusual murder case in Pennsylvania involving a man found dead nearly 100 miles from his home.

Social Circle
S14 E12

Four young adults are murdered in an affluent Texas neighborhood, with little evidence but two people walking by dressed in black.

Low Maintenance
S14 E13

A young college student is found dead in her apartment and the autopsy rules the death a homicide by an unknown male suspect.

Deadly Rebellion
S14 E14

A 13-month investigation into the murder of a teenage runaway is detailed.

Sign of the Crime
S14 E15

The investigation into two suspicious apartment fires in Seattle points to a serial killer.

Covet Thy Neighbor
S14 E16

Detailing the case of a University of Illinois science major who disappeared.

Tooth or Consequences
S14 E17

A clue found at the site of a stewardess's murder leads investigators astray until forensic evidence sets them straight.

Hundreds of Reasons
S14 E18

The murder of a Florida restaurant manager in an apparent robbery gone wrong is investigated. A bloody fingerprint left at the scene leads to a suspect other than the robber.

Cold Feet
S14 E19

A Florida woman's rape and murder takes 18 years of scientific advances to solve.

Office Visit
S14 E21

The investigation into an Arizona surgeon's murder is the focus. The police initially believe it was a random act, but later uncover evidence that points to a wealthy suspect motivated by jealousy.

Shoe-in for Murder
S14 E22

A look at a case more than a decade old involving a Maine mother's murder. The only witness was her 12-year-old daughter.

Family Interrupted
S14 E23

A family walk in on a burglary, resulting in a double murder. The case is initially tied to a series of local thefts, but the probe reveals a different motive and killer.

Traffic Violations
S13 E1

The police target a murdered woman's husband as her killer until mobile phone records point to someone who has been close by during the investigation.

Disrobed
S13 E3

The 2003 murders of Idaho residents Alan and Diane Johnson, who where shot in their Bellevue home, are recalled. The victims' daughter, Sarah, was convicted of killing the couple in a dispute about her boyfriend.

In the Bag
S13 E7

The discovery of a bag aids police in solving a couple's murder.

Yes, In Deed
S13 E8

A mobile-home fire leads to an investigation of a man's murder.

Guarded Secrets
S13 E9

A missing security guard's body is found after 19 months, but leads run cold for 14 years until an investigator finds evidence on the victim's foot.

Frozen Assets
S13 E11

A shop owner is found dead in her store and police get an unusual break from nature.

House Hunting
S13 E12

The police use forensic hypnosis to help a witness to the murder of a real-estate agent remember important details.

Shoot to Thrill
S13 E13

Officials investigate the shooting death of a Minnesota father by focusing on a mysterious set of footprints in snow, presumably left by the killer.

Political Thriller
S13 E14

A politician's suspicious death is probed.

Last Dance
S13 E17

Evidence found on a bridge shows that a woman's apparent suicide was actually murder.

Drowning Sorrows
S13 E23

A family break turns into a nightmare when the wife is found face-down in a lake. With no idea whether it was murder, an accident or suicide, police turn to a new forensic technique.

Unmasked
S13 E26

The hunt is on for a serial rapist in Texas.

Church Dis-service
S13 E28

A woman disappears after church services, leaving behind a car with no gas and a missing emergency fuel can. When her body is found days later, the search begins for her abductor, who is thought to be driving a van.

Seedy Intentions
S13 E29

Police hunt for the killer of a girl found dead in Washington after going missing on the Fourth of July.

Palm Saturday
S13 E43

A killer leaves equally incriminating evidence at the scene when he meticulously wipes away his fingerprint and shoe impressions.

Runaway Love
S13 E44

After a woman is found dead at a yacht club in California in an apparent case of love gone wrong, investigators discover her home life was as dramatic as films made in nearby Hollywood.

Watchful Eye
S13 E45

The brutal murder of a state park employee over $2,000 rattles her co-workers and tourists while leaving police to sift through hundreds of leads.

Waste Mis-Management
S13 E46

When evidence shows a woman's rape and murder, police must find the killer as well as the victim.

Dirty Little Secret
S13 E47

A week after a couple disappears from the beach, police get a mysterious lead from a robbery.

Lights Out
S13 E48

Fifteen years later, DNA technology leads to justice for a murdered woman and her savagely beaten 4-year-old daughter.

Pet Rock
S13 E49

A quiet waitress who hasn't been to work in two days vanishes without a trace; police suspect a date gone wrong.

As the Tide Turns
S12 E1

The 2002 murder of Florida resident April Barber, who was shot and killed on a beach. The victim's husband, Justin Barber, was also shot, but was later convicted of killing his wife.

A Tight Leash
S12 E2

The 2004 death of Charlene Hummert, who was strangled with a rope in her Pennsylvania home. The victim's husband, Brian David Hummert, was convicted of murder.

Muffled Cries
S12 E3

The 2004 murder of Florida insurance adjuster Katrina Froeschle, who was killed while visiting a home to assess storm damage. Jason Funk, who was renting the house, later admitted to killing the victim after trying to rape her.

Wheel of Misfortune
S12 E4

The 2005 murder of Christie Wilson, who disappeared after leaving a California casino, is recalled. Mario Flavio Garcia was convicted in 2006 of killing Wilson after meeting her at the casino and spending time drinking and gambling with her.

Skirting the Evidence
S12 E5

The 1996 murder of Memphis resident Shannon Sanderson is recalled. She was abducted from her home and killed after winning money at a casino in Tunica, Tennessee. Gerald Lee Powers was convicted of the murder in 1998 and sentenced to death.

Small Town Terror
S12 E6

The case of pipe bomber James Genrich, a Colorado man who was convicted of killing two people in 1991. He was sentenced in 1993 to life in prison without parole.

Fresh Heir
S12 E7

The 1986 murder of Wisconsin resident Lynnea Gran, who was bludgeoned in a grocery store. The case went unsolved for years, until DNA evidence led to the arrest and conviction of the victim's son, Rodger Allen Gran.

Sole Survivor
S12 E8

After a Michigan State University grad student disappears and is presumed dead, a professor of geological sciences helps police get the dirt on her killer.

Step by Step
S12 E9

An elderly woman's fatal fall down a flight of steps is dismissed as an accident until the police receive a tip indicating otherwise.

Blanket of Evidence
S12 E10

The body of a missing university student is found in a ravine.

Two in a Million
S12 E12

The murders of Dale and Glee Ewell, and their daughter, Tiffany, in their Fresno home in 1992. The couple's son, Dana, was convicted in the case, which involved a trust fund. Joel Radovcich, a friend of Dana's, was convicted for his role in the crimes.

Bitter Brew
S12 E13

The abduction and murder of Adolph Coors III in 1960 is recalled. Coors's body was discovered seven months after his family received a ransom note from an alleged kidnapper. After a lengthy investigation, former Fulbright scholar Joseph Corbett was convicted of murdering Coors.

Smoking Out a Killer
S12 E17

When three students are brutally murdered close to campus, investigators must determine what the women had in common before their serial killer strikes again.

Transaction Failed
S12 E19

The investigation into a missing Texas school teacher is aided by an ATM transaction and a shoelace.

Insignificant Others
S12 E22

A report on Georgia dentist Barton Corbin, who confessed to killing his wife, Jennifer, and former girlfriend Dolly Hearn; and staging the killings to look like suicides.

Catch 22
S12 E23

The 1996 murder of Connecticut resident Gayle Isleib, who was shot and killed in her driveway by co-worker Tyrone Montgomery. Montgomery was sentenced to 60 years for the murder and received another five years for plotting to kidnap the victim.

Pressed for Crime
S12 E26

The 1991 murder of Myrtle Beach resident Heather Stigliano is recalled. The victim was killed by James Bernard Whipple during a robbery.

Finger Pane
S12 E27

The 2001 murders of Texas residents Cammy Lynn Keleman and Dana Denise Feazell are investigated.

Dog Day Afternoon
S12 E30

The 2004 murder of Florida resident Cathy Lamb, who was bludgeoned to death with a tire iron in her home, is recalled. The victim's husband, Jeffrey Lamb, was convicted of the crime and given a life sentence.

Shattered Innocence
S12 E31

The 1998 murder of Texas trial lawyer Leslie Vaughn, who was shot while sleeping. The victim's son Brian was convicted of murder and given a 33-year sentence.

All "Butt" Certain
S12 E32

The 1998 murder of Ohio resident Judith Johnson is recalled. Johnson's son-in-law, Clarence Elkins, was originally convicted of the crimes, but was exonerated by DNA evidence.

Jean Pool
S12 E33

The 1984 murder of Middle Tennessee State student Laura Salmon, who was killed by numerous blows to the head. The victim's ex-boyfriend, David Kyle Gilley, was convicted of the murder after his DNA was found on a pair of men's jeans that were covering the vicitim's body.

Key Evidence
S11 E3

A woman is found dead in her car in a creek in an incident that may not have been accidental.

Just Desserts
S11 E5

The murder of a Florida couple is investigated, and the authorities have doubts about a driver's license found at the crime scene.

Sunday's Wake
S11 E6

The death of a child who displayed flu-like symptoms leads to an international investigation.

Shattered Dreams
S11 E7

Two bodies are found in a car that is discovered in a ditch and authorities suspect that the victims may have been killed before the crash.

Concrete Alibi
S11 E9

The slaying of a model is investigated, and a forensic geologist may help police solve the case.

Murder, She Wrote
S11 E10

The death of an equestrian is thought to be a suicide, but investigators soon suspect foul play, and a clue may come from the victim.

Key Evidence
S11 E11

The slaying of an off-duty policeman is investigated, with clues coming from tiny fibers and an asthma inhaler.

A Case of the Flue
S11 E12

A triple homicide leads investigators to an offshore gambling operation.

Weakest Link
S11 E13

An unidentified body is found on a rural California road and investigators find clues in a tire tread and a broken piece of jewellery.

Capitol Crimes
S11 E14

A hit-and-run in Harrisburg, Pennsylvania is investigated, as police try to find the owner of the vehicle used in the crime.

Undertaken
S11 E15

Investigators disagree with a medical examiner's report on a person's death.

Dark Waters
S11 E16

A man dies in a hit-and-run boating incident, and a witness comes forward during the investigation who claims to have been in the fleeing boat.

Nice Threads
S11 E17

The investigation into the slaying of a Bible-school student in her Kirkland, Washington apartment is examined.

Grave Danger
S11 E18

The apparent accidental death of a man is probed by authorities, including an arson investigator and a forensic computer expert.

Internal Affair
S11 E19

A woman goes missing and her body is discovered weeks later. Blood evidence and computer analysis figure in the case.

A Case of the Flue
S11 E20

The slaying of a woman whose body was found in her home is investigated. Possible clues include T-shirt fibers, a cell phone and flecks of paint.

Water Hazard
S11 E21

Authorities investigating the death of a woman who worked at an Arizona insurance company discover that she died of cyanide poisoning.

No Safe Place
S11 E22

The 1998 murder of oil executive Ronald Shaw is recalled. Shaw was killed after three gunmen approached him and his wife, Rosana, and tried to gain access to Shaw's safe.

Live Wire
S11 E23

The case of William Joe Jarvis, who was convicted of murdering his wife with a pipe bomb in a box resembling a Christmas present.

Van-ished
S11 E24

The police question a woman's claim that she was abducted; then physical evidence emerges that could confirm her story.

A Novel Idea
S11 E25

Blood-spatter experts and a forensic meteorologist try to determine whether the death of a man's wife was accidental.

Critical Maneuver
S11 E26

A hit-and-run accident in which a high-school athlete died.

Shell Game
S11 E27

Two young people are found dead, and their house burns down.

Ring Him Up
S11 E28

The investigation into the 1994 abduction-murder of Emory University student Shannon Melendi following a softball game is detailed.

Killer Impression
S11 E29

An investigation into a woman's deadly tumble down a staircase is featured.

If I Were You
S11 E30

A man is reported missing by his daughter in a case involving identity theft and murder.

Chief Suspect
S11 E31

The death of a police lieutenant's wife is investigated, and a short audio tape found by the police helps solve the case.

Message in a Bottle
S11 E42

A used tissue, 12 years after the murder of a young Missouri woman, may be what cracks the case with a suspect list a mile long.

Trial by Fire
S10 E1

A fire investigator determines if a kerosene heater is the cause of a fire that killed one person or if it was murder.

Marked for Life
S10 E2

An investigation into the killings of two police officers in El Segundo, California in 1957.

Plastic Puzzle
S10 E3

Investigators piece together tiny clues at the scene of a hit-and-run accident; their findings help to track down the offending driver.

Up in Smoke
S10 E4

Investigators determine what caused a house fire that killed an elderly couple and whether the victims' son is responsible.

Soiled Plan
S10 E5

Detectives are suspicious after a woman is killed in a hunting accident, but it takes more than twenty years before a trace evidence analyst is able to match fibers on a soiled blanket to the killer.

Headquarters
S10 E6

When hunters find a skull in a Texas canyon, police find bits of clothing, a woman's shoe, some small bones and a strand of hair; once they discover her identity, it was time to find the killer.

One for the Road
S10 E7

A wife is missing in Key West; investigators wonder if they should be searching for a missing person or a killer.

Army of Evidence
S10 E8

Suicide notes and a pistol in hand lead police to suspect that a mother of two young children appeared to had killed herself, but when investigators learned of a house fire she was in three years earlier, they reinvestigate.

Shear Luck
S10 E9

The murder of an Air Force sergeant's wife, whose body was found on a Philippines air base, is examined. Investigators use computer forensics to help search for the killer.

Tagging a Suspect
S10 E10

Pieces of plastic the size of sand hold clues to a bombing.

Strong Impressions
S10 E11

At first glance it appears a young woman suffocated, but further investigation shows the scene was staged.

Cereal Killer
S10 E12

The case of a Spokane boy who vanished and was found dead, is spotlighted.

Crash Course: The Hollermann Car Crash
S10 E13

A patrol officer is shocked by the amount of blood at a traffic accident and is shocked by the coroner's ruling until an anonymous phone call re-ignites the case.

A Leg up on Crime
S10 E15

An irrigation canal murder remains unsolved until a similar murder occurs.

Deadly Valentine
S10 E16

An obstetrician's wife is murdered, and potential theories of the crime include a botched burglary, and a targeted attack by militant pro-life activists.

Deadly Valentine
S10 E17

On Valentine's Day, an obstetrician finds his wife dead and calls 911; police discover inconsistencies between the blood spatter evidence and his version of events.

Picture This
S10 E18

Weed analysis and photogrammetry are used to help solve the 1995 murder of a California teenager is found dead after disappearing from her home.

Oily in the Morning
S10 E19

When police recover the submerged car of missing man, they find no body; the investigation that follows uncovers a deadly obsession and the motive for murder.

Gold Rush
S10 E20

Emergency dispatch recieved a call from a man who said his girlfriend shot and killed herself. But the wound was not self-inflicted.

Four on the Floor
S10 E21

Investigators piece together evidence found at the scene of a Native American woman's murder; the tyre tracks and shoe impressions could lead them to the killer.

A Clean Getaway
S10 E22

The murder of a dry cleaner is investigated, and an anonymous 911 caller is a suspect.

A Clean Getaway
S10 E23

An anonymous caller reports the rape and murder of a dry cleaner employee; two eyewitnesses tell two similar but not identical stories.

Unholy Alliance
S10 E24

The disappearance of a woman last seen in a grocery-store parking lot in Colorado is investigated. The probe turns up bloody gloves and strange tire tracks.

Signed, Sealed, and Delivered
S10 E26

Forensics hopes to determine if this was revenge when the home of a state's witness is bombed, killing his father.

Summer Obsession
S10 E28

In a wealthy area of Philadelphia, police are called to the scene of what seems like a regular accidental drowning; the investigation begins to focus on one person who has many reasons to want the victim dead.

Moss, Not Grass
S10 E31

The body of a young woman is found on a golf course in the Bahamas, and a patch of grass near the body may be a clue.

Sunday School Ambush
S10 E32

A man is killed by criminals who invade his home, but his wife is also a suspect after authorities find a wound on her that may have been self-inflicted.

Bump in the Night
S10 E34

The investigation of the murder of a man in his own bed turns up little evidence beyond a shoeprint in mud outside his home.

Penchant for Poison
S10 E35

Three seemingly unrelated deaths proved to be serial murders; the killer had been careful, he uses poison which had no taste or odour, fortunately for investigators, it also has a unique chemical signature.

Murder on the Menu
S10 E36

The slaying of a Philadelphia chef leads investigators to initially suspect his restaurant's employees until they determine the ingredients of his demise: debt, deceit and betrayal.

Sole Searching
S10 E37

With very little else to go on, investigators find that a show impression puts them on the right track to finding a killer in Lansing, Mich.

Wired for Disaster
S10 E40

A woman is killed by a bomb planted in her doorway and investigators hunt for her killer.

Wood-be Killer
S10 E41

An alleged killer tries to destroy evidence of a crime, but inadvertently creates new evidence.

Wired for Disaster
S10 E42

Who put a bomb in the home of a 29-year-old woman and killed her?

Wood-Be Killer
S10 E43

A killer tried to destroy everything which could link them to the crime; but in doing so, they inadvertently created new forensic evidence, evidence which came to light using a technique never before used in a criminal investigation.

Road Rage
S9 E1

A discarded sleeping bag, containing bloody sneakers and a purse, leads police to the body of a young woman; a mark found on the victim's body enables police to track the killer.

Hunter or Hunted?
S9 E2

A woman's apparent accidental death begins to look fishy after police uncover a letter written by the victim days before her untimely death.

In Harm's Way
S9 E3

An Alaskan trooper finds a woman's body beside a frozen road, but evidence is scant even after a suspected murder weapon is found.

For Love or Money
S9 E4

A real estate tycoon must have had a premonition about foul play, as he wrote it in his will.

No Corpus Delicti
S9 E5

Police link a clump of hair discovered in an isolated area with a woman who disappeared 20 years ago.

The Stake-Out
S9 E7

When a prominent banker's wife is kidnapped, the trail leads police on a wild goose chase; they track down disgruntled bank customers and examine computer fonts.

Bad Medicine
S9 E8

When a woman's bone marrow test reveals arsenic poisoning, investigators try to determine if it is due to groundwater contamination or something more sinister.

Cloak of Deceit
S9 E9

A trio of men, responsible for several bank robberies, leaves no evidence behind; forensic scientists help catch them by looking at the criminals' posture and clothing.

Stick 'em Up
S9 E10

A missing bank president's body is found floating in a lake; the duct tape used in binding him to a chair helps solve the crime.

Head Games
S9 E11

A husband was shot and killed, forensic psychiatry helped the wife to remember the details for what happened.

The Financial Downfall
S9 E12

An investigation into the death of a 20-year-old woman who fell from a California cliff leads investigators to suspect that it was not a tragic accident.

Making the Collar
S9 E13

The body of a 16-year-old girl is discovered nine months after her disappearance; forensic scientists find clues that paint a virtual portrait of her killer.

Over a Barrel
S9 E15

The robbery and brutal murder of an elderly couple goes unsolved for 10 years; a forensic scientist makes history when he solves the crime.

Pinned by the Evidence
S9 E17

A man is charged with the murder of a wrestling champion; six years later, a forensic animator testifies on his behalf.

Cries Unheard
S9 E18

A 19-year-old girl is found dead in her car in what appears to be a suicide; police discover that the victime was involved in a love quadrangle, giving several people motive to kill.

Buried Treasure
S9 E19

Fifteen years after a man disappears, using a metal detector, police find evidence which proves what had happened.

Badge of Betrayal
S9 E20

The body of a young California co-ed under an isolated interstate ramp sets off an investigation; San Diego police have no idea who would want her dead, but they discover a tiny, unique fiber on the victim's clothing.

Deadly Matrimony
S9 E21

Police become suspicious of a man who reported his wife missing 15 years after doing the same thing with his first wife.

Seeds for Doubt
S9 E22

A small community in upstate New York is devastated when a car accident claims the life of a well-respected nurse.

Muddy Waters
S9 E24

While investigating the case of a Colorado hunter shot three times and killed, police suspect two murder weapons, and two killers, but forensic evidence points them closer to home.

Silk Stalkings
S9 E25

A flight attendant is murdered during the Gulf War and her belongings are stolen, leading investigators to suspect terrorists may have killed her.

Fishing for the Truth
S9 E26

The disappearance of a shrimp boat captain is investigated and one of his own crew becomes a suspect.

For Love or Money
S9 E27

Forensic-science techniques employed by real CSIs are examined in this documentary series, which follows coroners, law-enforcement personnel and others as they try to solve baffling crimes.

South of the Border
S9 E28

The cold-blooded murder of an American tourist in a Mexican resort causes law enforcement to focus on both sides of the border.

Visibility Zero
S9 E29

The derailment of the Sunset Limited was the deadliest train crash in U.S. history killing 47 passengers and crew with several more injured.

Northern Exposure
S9 E30

Hikers near Anchorage, Alaska discover a body wrapped in sheets edged in orange stitching; they discover threads of evidence clinging to the sheet.

Flashover
S9 E31

Arson investigators attempt to determine the cause of the 1987 fire at the Kings Cross Underground Station in London.

Walking Terror
S9 E33

A man has no recollection of events after stabbing his wife and holding her head underwater in a swimming pool.

Scratching the Surface
S9 E44

Forensic scientists work with the only clue recovered from a multiple-victim shooting: a 12-gauge shotgun. Scientists use unique methods to lift the serial number from the weapon in order to trace it to its owner.

The Music Case
S8 E2

The case of a woman found dead in her home leaves investigators stumped.

When the Dust Settled
S8 E3

Neighbors do not hear the gunshots when a union official is killed in his home.

Sign Here
S8 E4

The search for an abducted woman leads investigators to a rental car, but the signature on the rental paperwork is a forgery. Forensic science is used to identify the signature despite the killer's attempts to falsify it.

Private Thoughts
S8 E5

When fire fighters find a family dead inside their home, it appears to be a murder-suicide; clues at the scene lead investigators to believe otherwise.

A Welcome Intrusion
S8 E6

A man tells police he shot an intruder who murdered his wife; forensic evidence leads police to re-examine the man's motives.

Brotherhoods
S8 E7

A couple's murder leads investigators into the world of white supremacists and a string of hate crimes.

Hair of the Dog
S8 E8

A rare gun and a victim's beloved dog help investigators trying to solve a multi-year long murder case where most of the witnesses were admitted drug users.

All the World's a Stage
S8 E10

A homicide detective claims his wife accidentally shot herself in the head, but the evidence indicates otherwise.

A Wrong Foot
S8 E11

A murder in Peoria, Illinois is investigated. The investigators use an obscure clue to track the killer.

Bound for Jail
S8 E12

A chip of stainless steel brings a killer to justice 20 years after a woman's body is found in a ravine.

Sphere of Influence
S8 E13

An 11-year-old girl is sexually assaulted and shot twice at close range.

Sign of the Zodiac
S8 E15

New York police hunt the Zodiac killer after a series of deadly attacks.

Letter Perfect
S8 E16

When a healthy young man dies mysteriously in his sleep, toxicology tests reveal that it may have been foul play. Could a `suicide note' hold the key to solving the case.

True Lies
S8 E17

A child's memory, a diary and a forensic psychologist help investigators solve a young woman's murder.

Smoke in Your Eyes
S8 E18

The bodies of two young women are found in the ashes of an apartment fire.

Bed of Deceit
S8 E19

Investigators weigh several theories while probing the death of a retired police officer, including a botched robbery and suicide.

Flower Power
S8 E20

Two different men report the murder of a single mother and when the case's other anomalies stall the police, a candy wrapper and seeds help expose the killer.

Past Lives
S8 E21

After a Connecticut man's body is found in a burning rental car on a Mexican highway, an insurance company suspects a scam.

Death by a Salesman
S8 E23

A quiet residential community, shattered by the murder of a neighbor. See how modern techniques helped investigators catch the culprit in less than 12 hours.

Nailed
S8 E24

The murder of a sexual-abuse victim who had agreed to take the stand against her attacker is investigated. Although the police suspect the defendant, the case remains open for 15 years before DNA testing is able to verify their suspicions.

Grounds for Indictment
S8 E25

A man is murdered in a drive-by shooting. When a mobile phone trace incriminates a killer, it's up to a forensic geologist to find evidence that he was at the scene.

Dueling Confessions
S8 E26

When a teenage girl is found dead, her boyfriend confesses to her murder. However, in a strange twist, so does another man; police must determine which is the killer.

Traces of Truth
S8 E27

A high school gym teacher gives his friend a ride home but never returns; his wife and friend receive letters saying he started a new life, but they suspect foul play despite no body being discovered.

Honor Thy Father
S8 E28

A 16-year-old girl is killed in her own home by her mother and father. Her parents said they acted in self-defense, but the forensic evidence indicates otherwise.

Flower Power
S8 E29

A forensic botanist is called in on a murder case when the police hone in on a suspect but have no evidence linking him to the crime scene.

Dueling Confessions
S8 E36

When Rosemary Anderson is found dead on the side of the road, her boyfriend becomes the prime suspect. He eventually confessed to her murder, but so did another man: serial killer Eric Edgar Cooke.

Hack Attack
S8 E38

A computer database crash at a manufacturing company is investigated.

Flashover
S8 E40

A London fire that killed 31 people is investigated.

Reel Danger
S7 E2

Although a group of teenage thugs are suspected of attacking two boys on a fishing trip, there is no solid evidence until a murky fishing hole provides some answers.

The Alibi
S7 E3

In a small South Carolina town in 1991, 17-year-old Crystal Faye Todd, a popular high school student, is raped, murdered and dumped in a deserted field; with few leads, authorities test the DNA of several friends, and one match shocks everyone.

Palm Print Conviction
S7 E6

Investigators build a makeshift tent around a woman's body and use super glue fumes to lift the killer's palm print from the victim's skin.

Purr-fect Match
S7 E7

An examination of the first time animal DNA was used to solve a criminal case. In 1994 Canada, on Prince Edward Island, the body of Douglas Beamish's estranged wife was discovered. Authorities linked 20 cat hairs found on her jacket to a cat owned by Beamish's parents, with whom he lived. Scientists estimated that chances that the hairs came from another feline were one in 50 million. A jury later convicted Beamish of second-degree murder; he was sentenced to 18 years without parole.

Telltale Tracks
S7 E8

An abandoned, still-running car leads investigators to a body with unusual marks and a DNA trail that lead to the killer.

Within a Hair
S7 E9

A man is arrested and convicted for a series of sexual assaults in Indiana; years later, forensic developments reveal new facts about the case.

A Bitter Pill to Swallow
S7 E10

A handsome young doctor's fiancee experiences severe illness after revealing that she is pregnant, and launches her own investigation to determine if the doctor is somehow responsible.

The Metal Business
S7 E11

When a 62-year-old man opens a car restoration business and becomes seriously ill, his doctors cannot find the cause, but forensics can; identification of a highly toxic metal in the victim's blood leads to his poisoner.

A Vow of Silence
S7 E12

The disappearance of a mail-order bride proves suspicious when detectives learn that two of the Texas husband's previous wives had died in mysterious circumstances.

The Cheater
S7 E13

Exploring how an American hit single from 1966 -- "The Cheater" by Bob Kuban and the In-Men -- foreshadowed the demise of the group's lead singer, Walter Scott.

Elephant Tracks
S7 E14

A jeweler's search through old sales records helps police find likely suspects in the murder of elderly couple Edward Kowalzck and Gertrude Thompson.

Who's Your Daddy
S7 E15

When young prostitute's body turns up in an Ohio waterway, authorities have one tiny clue which could point to her killer, but face huge challenges due to her policemen clients and DNA evidence being washed away.

Within a Hair
S7 E16

A look back at the case of the River Park Rapist, who sexually assaulted four women in South Bend, IN, during 1996. Law enforcement officers arrested Richard Alexander, who was convicted in 1998 and sentenced to 70 years in prison. In 2001, Michael Murphy confessed to one of the two rapes of which Alexander had been convicted and forensic developments reveal new facts about the case.

Chief Evidence
S7 E17

The murder of a suburban couple is detailed. Investigators first believe the slayings were the result of a drug deal gone bad. However, no drugs are found in the house and the victims' blood isn't present on the clothing of the suspects. The couple's dog eventually leads authorities to the murderer.

All Charged Up
S7 E18

Using an anonymous letter and geographical profiling, investigators close in on a serial rapist, and a cleverly obtained DNA sample confirms their suspicions.

Breaking the Mold
S7 E19

When a young boy has serious respiratory problems and his father shows signs of early Alzheimer's disease, a chance encounter with a stranger kicks off an investigation into the cause.

Without a Prayer
S7 E20

After American Atheists founder Madalyn Murray O'Hair disappears, the discovery of a mutilated body helps police catch the culprit.

A Clutch of Witnesses
S7 E21

Two people witness a truck driving over an unconscious man and flee into a nearby bar, but when the police turn up, the truck, the man and the witnesses are gone.

The Metal Business
S7 E23

The story of Phillip Rouss is related. In 1997, the 60-year-old Tennessee resident seemed to be dying and doctors couldn't pinpoint why. In time, however, Rouss came to believe that his partner in a car restoration business might be poisoning him and took his suspicions to the police.

Sip of Sins
S7 E24

A seemingly model citizen turns out to be a serial killer.

Ghost in the Machine
S7 E25

Police find fragments of deleted computer files leading them to suspect a woman's suicide is really murder.

Frozen in Time
S7 E26

A suspicious neighbor gives police a break in a cold case.

Cold Storage
S7 E27

A family suspects their teenage daughter's new friends were involved in her disappearance.

Scout's Honor
S7 E28

Insect evidence helps to solve the mystery of a woman found dead near a river bank.

A Touching Recollection
S7 E29

A girl who is abducted and then released soon afterwards uses her knowledge of forensics to lead police to the kidnapper.

Dressed to Kill
S7 E30

When a 6-year-old disappears, her father becomes the prime suspect; he fails a polygraph test and even confesses, but 10 years later, the investigation gets turned on its head.

Scratching the Surface
S7 E31

Forensic scientists work with the only clue recovered from a crime: a 12-gauge shotgun. They attempt to lift the serial number from the weapon in order to trace it to its owner.

The Music Case
S7 E32

When a 12-year-old was found dead in her home, police were left clueless until a string of burglaries months later. A trail of stolen goods may help solve a murder.

Paintball
S7 E33

When 15 year-old Marlene Miller was murdered, it would take 24 years and several retrials before forensic scientists discovered the evidence to bring her killer to justice.

A Bag of Evidence
S7 E34

A garbage bag leads police to a child's killer.

Shadow of a Doubt
S7 E36

A woman is killed two days before she was scheduled to testify against a man accused of assaulting her and the prime suspect has an alibi.

Tooth or Consequences
S7 E37

An investigation into the disappearance of a young woman uncovers a tooth that helps police solve a crime without a body.

The Sniffing Revenge
S7 E38

The sensitive nose of a forensic examiner sniffs out murder.

Plastic Fire
S7 E39

A woman convicted of killing her mother in a car fire is granted a new trial. An expert fire witness shares an opinion on how the fire ignited that differs from the prosecution's theory and, if verified, would clear the daughter of any culpability.

Scratching the Surface
S7 E40

Forensic scientists try to find a way to "lift" the serial number from a shotgun that's their only clue in a case.

Fire Proof
S7 E41

Investigating the worst arson spree in U.S. history -- a rash of more than 75 fires near Seattle.

Tourist Trap
S7 E43

A bite mark is all the evidence needed to convict a suspect who was robbing tourists in Florida.

X Marks the Spot
S7 E44

Computers aid the police and FBI in solving a string of crimes.

Once Bitten
S7 E45

Technology able to analyze human bite-marks yields information on a woman's death.

Shot of Vengeance
S7 E46

When a nurse starts experiencing a variety of flu-like symptoms, she discovers that she is HIV-positive; she learns that her infection was not accidental.

The Sniper's Trail
S7 E49

A random serial sniper is plaguing Virginia and Maryland, with no profile of their victims.

Plastic Fire
S7 E50

A woman wins her release after being imprisoned for allegedly killing her mother in a car fire.

Dinner and a Movie
S7 E51

time of death becomes pivotal when a pregnant woman is found murdered in her air-conditioned bedroom.

Last Will
S7 E52

Authorities are able to apprehend a kidnapper because he allowed his victim to write a will on a telltale pad of paper.

Missing in Time
S6 E1

The case of Carolyn Killaby, who vanished in 1995, is detailed. Dennis Keith Smith was convicted of murder after police found two drops of blood in his car and linked them, via DNA testing, to Killaby.

Missing Pearl
S6 E2

The investigation into the disappearace of Maine resident Pearl Bruns centres on her husband once blood is found in their home. But despite three thorough searches, the lack of her body and further evidence leave police unable to arrest him. Using a new technology called "ground penetration radar", however, they turned up new evidence: the body, buried in a crawl space beneath the house.

Man's Best Friend?
S6 E3

When 4-year-old April Renee Tucker is found dead in her backyard, her parents tell the police that neighborhood dogs attacked and killed her, but the injuries on her body don't match their account of what happened.

Hand Delivered
S6 E4

How "anonymous" letters can be identified is related in this study of a murder investigation. When police receive a tip with information only the killer could know, they trace the note to the exact location from which it was mailed.

Death Play
S6 E5

One year after her father's death, a teen's role in a high school production of "Hamlet" causes her to reveal the chilling truth behind her family's tragedy.

Fire Dot Com
S6 E6

An examination of arson investigators and whether their conclusions are always correct.

Mistaken for Dead
S6 E7

The death of a patient at the office of Glendale, California doctor Richard Boggs leads investigators to a bizarre scheme involving an insurance scam, switched identities and murder.

Frozen Evidence
S6 E8

The use of shoe impressions to catch criminals is detailed, including one instance in which the evidence almost melted away.

Soft Touch
S6 E9

Fingerprints taken from a piece of cloth help solve the rape and murder of a 22-year-old woman in Henrico County, Va.

Church Disappearance
S6 E10

The FBI profiles a suspect in the kidnapping and murder of a 6-year-old girl during an evening church service; a witness leads authorities to the likely killer, but then becomes a victim herself.

Whodunit
S6 E12

The case of Kimberly Hricko is presented. Hricko's husband, Stephen, was discovered dead in their cabin, badly burned from the waist up. Investigators zeroed in on the wife, who stood to collect $400,000 in life insurance.

Horse Play
S6 E13

The case of Shannon Mohr is related. In 1980, the Michigan woman died in what appeared to be a horseback-riding accident. However, further tests revealed that she died from a drug that causes suffocation. In 1989, her husband was convicted of murder.

Treads and Threads
S6 E14

A serial killer in Tampa, Fla., taunts police by strangling prostitutes and leaving their bodies in plain sight, but tire marks and fibers lead to the culprit.

Pure Evil
S6 E19

The case of would-be serial killer Jason Massey, who wanted to become like his idols Ted Bundy and Henry Lee Abbott, is related. In 1993, the 21-year-old was arrested, convicted and sentenced to death for murdering two teenagers.

Where the Blood Drops
S6 E21

The case of Susie Mowbry is detailed. Although she was convicted of murdering her husband, her son believed her story that his financially troubled stepfather had committed suicide. The son enrolled in law school and began studying the case, learning that prosecutors withheld crucial findings by a nationally respected blood-spatter expert. After serving almost 10 years, Mowbry was given a second trial---and was found innocent.

Punch Line
S6 E22

The treatment for an injured hand leads to a murder charge in this look at the Elwood Jones case. Jones claimed he cut his hand on a dumpster, but his doctor recognised the wound as a "fight bite". The doctor was the main witness at Jones' murder trial, during which Jones was convicted of killing a 67-year-old woman.

Sibling Rivalry
S6 E23

The pornography empire cultivated by brothers Artie and Jim Mitchell crumbles when one turns up dead and his brother confesses to shooting him; investigators question whether the shooting was premeditated.

Pastoral Care
S6 E24

When prison guard Donna Payant's body is discovered at a landfill, a medical examiner uses a "signature" clue to link her death to a murder the same examiner investigated 10 years earlier.

Bagging a Killer
S6 E25

When a 9-year-old girl vanishes on her way to school, the entire community helps with the search; detectives believe her mother may be involved, and a hidden fingerprint seals the case.

Cats, Flies and Snapshots
S6 E27

A young woman goes missing without leaving many clues, but the advanced technology on offer makes it possible for cat hairs and insects to help build an image of the abductor.

Naked Justice
S6 E28

Blood spatter analysis and an investigation lead police to the truth when a pregnant woman is found dead in her home.

Treading Not So Lightly
S6 E29

A mother is determined to discover what happened when her daughter is injured in a hit-and-run accident.

Shopping Spree
S6 E30

Forensic science and deductive reasoning determine what happened to a mother and daughter while they were on a shopping spree.

Badge of Deceit
S5 E1

The search for a serial rapist who preyed on the women of Lafayette, Louisiana, from the early 1980s through 1995 is detailed. Despite using the most advanced methods available to them, the investigators came up empty until an anonymous phone call tipped them to a suspect: sheriff's deputy Randy Comeaux. DNA evidence taken from a cigarette butt confirmed that he was their man.

A Voice from Beyond
S5 E4

Included: a body left in a barrel for 30 years. There are few clues, but investigators locate an address book nearby.

Memories
S5 E6

A woman identifies her husband as her attacker, but questions arise 16 years later regarding her recollections.

Trail of Truth
S5 E7

A mother and her two young daughters are found brutally murdered and sexually violated; the crime scene has no shortage of evidence, but investigators cannot find a conclusive link to their prime suspect.

Nursery Crimes
S5 E10

A police investigation of a Texas hospital, where children die at a higher rate than at any hospital in the country, hones in on a nurse.

Unholy Vows
S5 E13

The story of Archbishop Valerian D Trifa, former head of the Romanian Orthodox Church in America, is related. Following World War II, Trifa emigrated from Romania to the US In 1957, survivors of Nazi atrocities in Bucharest recogniaed him as having directed a bloody 1941 attack against Jews. He was deported in 1984 and died three years later.

Deadly Knowledge
S5 E14

The investigation into a missing coed leads police to discover that, unbeknownst to her friends, she led a bizarre double life, attending school by day and working as a call-girl by night. When her body is discovered, investigators obtain evidence that implicates her killer.

Time Will Tell (Albert Walker Case)
S5 E16

"A body found washed ashore on England's south coast leaves investigators stumped, but service records on the dead man's Rolex watch lead to the discovery of his identity: Ronald Platt. Knowing that, detectives track down his business partner, Albert Walker. A police officer visits Walker's residence, where a neighbor indicates that a ""Ronald Platt"" lived in the house and describes the man---with words that match Walker's description, leading to Walker's arrest for murder."

Second Shot at Love (The Della Sutorius Case)
S5 E17

The death of a man suffering from depression is initially considered a suicide, but further police investigation points to his wife.

Video Diary
S5 E19

Specialists including a NASA vendor help police reconstruct a damaged surveillance video to catch the murderer of convenience store employee Wanda Mason in Lansing, Mich.

Invisible Intruder
S4 E1

A woman claims that her children were killed by an intruder, but authorities suspect that the woman may have been the culprit.

Cement the Case
S4 E4

A man confesses to killing his wife, but forensic evidence may lead to another suspect.

Innocence Lost
S4 E5

Investigators search for a missing girl who disappeared from a party. They find fibres that might match her jumper in the car of a suspect.

Ties That Bind
S4 E7

Police search for a sexual predator after the bodies of two boys are found, and an unusual piece of rope might be a key clue.

Accident or Murder?
S4 E9

The police investigate the death of a woman whose body was found at the bottom of a staircase.

Core Evidence
S4 E10

Forensic-science techniques employed by real CSIs are examined in this documentary series, which follows coroners, law-enforcement personnel and others as they try to solve baffling crimes.

Haunting Vision
S4 E11

A fire in a home in which two children died is investigated.

Slippery Motives
S4 E13

A man is suspected of murdering his wife by drowning her in a hotel bathtub.

Knot for Everyone
S3 E2

The murders of three women in California are investigated. The killer cut the victims' hair and clothing in a seemingly random pattern.

Deadly Delivery
S3 E5

An investigation into a pipe-bomb explosion that killed a young man and seriously injured his mother.

Similar Circumstances
S3 E6

A couple are investigated after similar kidnapping claims involving their children.

Grave Evidence
S3 E7

The shooting of a man during a hunting trip is re-opened years after the incident, and the victim's hunting partner becomes a suspect.

Deadly Formula
S3 E8

A possible case of Munchausen syndrome is investigated after an infant dies of what appears to be toxic levels of antifreeze in his system.

Crime Seen
S3 E10

DNA evidence in a 1984 abduction-rape case clears the accused 10 years after the fact.

Speck of Evidence
S3 E11

The 1984 disappearance of a 9-year-old girl in Tucson is investigated.

Broken Bond
S3 E12

Forensic-science techniques employed by real CSIs are examined in this documentary series, which follows coroners, law-enforcement personnel and others as they try to solve baffling crimes.

Out of Ashes
S3 E13

Two years pass in the investigation of a missing 18-year-old girl, but the authorities make a breakthrough by re-interviewing her boyfriend and a childhood friend.

The Common Thread
S2 E1

The hunt for a serial killer who plagued the Tampa area during the 1980s is recalled. The case broke wide open when the perpetrator released a victim rather than killing her and she was able to give the police enough information to track him down.

The Dirty Deed
S2 E2

Eileen and Derrick Severs disappeared from their home in the small village of Hambleton in Great Britain. Originally aired as Season 2, Episode 2.

Killer Fog
S2 E3

A look back at a December 1990 accident on Route I-75, near Calhoun, Tennessee that involved 99 vehicles and resulted in 12 deaths. The investigation focused on whether human error, the weather or a combination of the two was to blame.

Bitter Potion
S2 E5

A case of thalium poisoning is investigated.

Fatal Fungus
S2 E7

Investigators in Cleveland try to determine why infants are bleeding from the lungs. An airborne fungus is suspected.

Charred Remains
S2 E8

Using dental records, the police try to determine the identity of a woman whose body was burned.

The Disappearance of Helle Crafts
S1 E1

The investigation into the disappearance of flight attendant Helle Crafts leads to the murder conviction of her pilot husband.

The House That Roared
S1 E2

The disappearance of Oklahoma City resident Caren Campano leads investigators to suspect her husband, Chris, when blood is discovered on a carpet. Using a "reverse paternity" process, they are able to identify it as Caren's---and Chris is charged with murder and is later convicted of manslaughter.

Magic Bullet
S1 E3

The death of a 15-year-old boy, shot in the head while sitting in the lobby of his father's gun club, is detailed.

Southside Strangler
S1 E6

The case of Timothy Spencer is related. Dubbed the Southside Strangler, he was the first serial killer convicted on DNA evidence. During a three-month span during 1987, he raped and murdered three women in Richmond, Virginia.

The Wilson Murder
S1 E8

The murder of Huntsville, Alabama doctor Jack Wilson is examined. A handyman confessed to the crime, but claimed that Wilson's wife and her twin sister paid him to kill the husband. Based in large part on the handyman's testimony, the wife was convicted. However, the sister was found not guilty, despite the fact that the prosecutors used the same evidence.

Insect Clues
S1 E10

Police rely on a forensic entomologist to provide time-of-death evidence relating to a murder in which the body had decomposed. By identifying the species of flies milling around the body, he could pinpoint when the victim died.

Outbreak
S1 E11

"High levels of thyroid hormones in a South Dakota community lead investigators to one family whose son was not sick. The reason: he was a vegetarian, and the cause was ""extra lean beef"" that contained thyroid tissue."

The List Murders
S1 E12

The John List case is detailed. In 1971, he murdered his wife and children---and promptly vanished. It wasn't until 1989 that he was caught, when the TV show "America's Most Wanted" spotlighted the case.

Raw Terror
S1 E13

An 11-year-old boy comes down with a fever and diarrhea after eating an undercooked burger; when his condition worsens, his mother drives him to a hospital and doctors discover E. coli destroying his body.