Killer Siblings

Telling the twisted stories of some of the most maniacal siblings in history through exclusive interviews and firsthand accounts.
Kimbles
S3 E2

A peaceful town is rocked by the murder of the young wife of a preacher's son; the investigation leads detectives to two brothers: one with a deadly ambition, and the other willing to do anything to earn his brother's love.

Engels
S3 E3

When the body of a young woman is found in a burnt out station wagon, investigators unravel a deadly plot that leads back to a shattered marriage and two self-made millionaire brothers who feel entitled to do anything to anyone.

Merricks
S3 E4

A double-homicide in a small Ohio town leads police to a family member with a grudge over $400 that leads two brothers to spiral out of control.

Allridges
S3 E5

After three ruthless murders and a monthslong spree of armed robberies, police in Fort Worth, Texas, race to stop a young man intent on inflicting pain, his honor student sibling and a second set of brothers.

Galvan-Cernas
S3 E6

A home invasion by masked gunmen leads to the murder of a doctor trying to protect his family, but when investigators track down three brothers, they discover the kidnapping plot gone wrong was masterminded from within the doctor's own circle.

Matting & Smith
S3 E9

A man's murder outside his home in suburban Memphis leads investigators to multiple extramarital affairs, a wife's secret life, an insurance policy, and a brother willing to do anything for his sister.

Freemans
S3 E10

Teen brothers rebel against their strict upbringing and become skinheads, and when their mother, father and younger brother are discovered murdered in their home, police begin a manhunt that leads them across three states.

Pratt
S3 E11

A home invasion starts a massive manhunt through the remote, snowy wilderness of Idaho for two bank-robbing brothers who once helped catch a notorious Soviet spy.

Hawes
S2 E1

A missing persons case spirals down a winding path once detectives learn that a formerly beloved older brother appears to have embezzled money from the family's business; his siblings are hellbent on getting revenge.

Fryers
S2 E2

In one of the most tragic and brutal crimes in the history of the Great Plains, five teens playing by a campfire are ambushed by a trio of shotgun-wielding brothers; a lone survivor bravely helps detectives hunt down her assailants.

Suhs
S2 E3

An immigrant family's American dream turns into a nightmare when a devious sister manipulates her younger valedictorian brother into committing murder; a dark family secret comes to light.

Rogers
S2 E4

In this bizarre Midwestern saga; a grudge between a shady district attorney and an eccentric local student turns deadly; investigators work for decades to bring a quartet of brothers to justice.

Defranciscos
S2 E5

When a body is found badly burned outside of Chicago, police work tirelessly to track down the killer of this young, hardworking truck driver; the search leads them to an unlikely pair of teenage sisters who are able to evade capture for years.

Polands
S2 E7

Two brothers pull off an elaborate scheme in the desert to rob an armored van of $300,000; when investigators attempt to track down the illusive robbers, the case becomes a homicide once the bodies of the two guards driving the van turn up.

Romero & Self
S2 E8

In the fall of 1992, two brothers terrorize a California community when they embark on a two-month crime spree that includes three brutal murders and many more near-death attacks.

Agofskys
S2 E9

Residents of quiet Noel, Mo., are shocked when the local bank is robbed in a brazen nighttime heist; the investigation takes a sinister turn when the bank's president is found dead and a pair of brothers suddenly come into a lot of cash.

Bruces
S2 E10

Things get murky along the Tennessee River when a mussel distributor and his fiancée are killed by a trio of roughneck brothers who are determined to steal a big payout and silence anyone who gets in their way.

Lunas
S2 E11

The ambitious Luna brothers take wildly divergent paths, one becoming a decorated army officer while another rises in a Mexican cartel; when the brothers' worlds collide, a murder ultimately brings them down.

Gustafsons
S1 E1

After their brother is convicted of murder, three siblings hatch a deadly plot to avenge him by targeting the star witness in his trial; the plan goes awry when the wrong person is on the receiving end of their vengeance.

Williams
S1 E3

Raised in a strict home, Matthew and Tyler believe it's their duty to cleanse the world of those living in sin; when two men are found dead, the brother's connection to them points toward a hateful trail of crime.

Bevers
S1 E4

Sheltered teenage brothers Robert and Michael Bever idolize serial killers and dream of being the most prolific murderers in history; with an arsenal of weapons, their quest for notoriety begins at home in their quiet Oklahoma suburb.

Carrs
S1 E5

The Carr brothers arrive in Wichita, Kan., intending to commit robberies, but their plans quickly escalate to a murderous spree the likes of which Kansas had never seen; their reign of terror becomes known as the "Wichita Massacre."

Rosas
S1 E6

After a man is found brutally murdered inside his own bar, a murder mystery unfolds over the span of years; detectives believe it's a business deal gone bad and must remain steadfastly dedicated to the case after hitting several dead ends.

Lewis and Machuca
S1 E7

In the summer of 1991, a pair of half-siblings creates panic across southern California when they embark on a spree of random crimes of the worst kind, targeting people out doing everyday tasks.

Brileys
S1 E8

Over a brutal 7-month stretch, a trio of brothers commit a series of increasingly violent crimes across the city of Richmond, leaving behind a growing body count; even after their apprehension, these brothers prove difficult to contain.

Bondurants
S1 E9

A pair of larger-than-life identical twins commit a series of brutal attacks in a small Tennessee town; with each crime, the brothers grow more emboldened; as time goes on and with little evidence against them, there's no telling how far they'll go.

Vues
S1 E10

When a correctional officer is murdered, it seems like an act of vengeance, but a love triangle is exposed; after learning his wife is having an affair, a husband plans to kill her lover and enlists the help of his brothers to carry out the task.