Diabolical

Devious masterminds who use their wits and wiles to get away with murder.
Daddy's Little Nightmare
S3 E1

In 2017, Federal Heights, Colo., is filled with fear when 69-year-old veteran Bill Mussack is reported missing, gone without a trace; police act fast to uncover a diabolical killer with a heinous plot before the malicious murderer strikes again.

Hands That Rob The Cradle
S3 E2

In early 1980, two eerily similar crimes occur 400 miles apart; they both leave young mother dead and an infant child stolen; years later, police unravel a plot so cold-blooded, it leaves everyone even seasoned homicide detectives in utter shock.

Masking Evil
S3 E3

A burning car is found by the side of a highway on the same night a single mother of two is reported missing; the two events are related and connecting the dots leads investigators to a notorious criminal who has been hiding in plain sight.

Lie for Me
S3 E4

Air Force veteran Michael Giles disappears along with his savings of $206,000 and detectives find a that Kwaneta Harris has been draining his accounts.

Sins of a Mother
S3 E5

In 1994, Lake Orion, Mich., is rocked by a murder; at first, the crime is a mystery -- but in a small town where everyone knows each other, rumors start flying; police soon expose a strange and twisted plot that no one saw coming.

Teach Me To Kill
S3 E6

In Las Vegas, a beloved father of four is found dead in his car; he's been bound, gagged, and asphyxiated; witnesses lead detectives to a local man named John Brian Ray, but this troubled man is just a pawn in the game of a criminal mastermind.

Devil Wear False Eyeslashes
S3 E7

Three men die over a span of a dozen years, with no suspicion of wrongdoing and no files charged; but when a deadly car explosion rips through downtown Pensacola, Fla., a new investigation begins; all suspicion points toward just one person.

Caught in the Cover-Up
S3 E8

In West Bloomfield, Mich., a simple affair between two coworkers turns complex; the two lovers are willing to do anything, even commit murder, to protect their darkest secret.

Killer Track Record
S3 E9

Three women die of the same mysterious illness, and the hunt is on to prove their deaths are no accident; investigators don't realize they're being played for fools by a sinister killer lurking undetected.

Mother of All Lies
S2 E1

In 2015, Detective Scott Sanderson finds himself investigating one of the strangest cases of his career, involving a missing woman and her newborn; before long, he uncovers a diabolical scheme that will destroy the lives of everyone it touches.

Who Needs Enemies
S2 E2

A cold morning in December starts off like any other, then a farmer finds the body of a dead woman; what seems like a rape and murder case turns into a conspiracy, and someone's diabolical nature is soon revealed.

Someone's Lying
S2 E3

On April 17, 2015, a Virginia hunter makes a grisly discovery in the woods; he finds a woman with an execution-style gun shot wound to the back of her head.

Recording Evil
S2 E4

Gina Coccia comes home from work to discover the bodies of her girlfriend, Lynn, and Lynn's nephew, Ronnie, shot and stabbed on the kitchen floor; the investigation leads police to a terrifying act of betrayal.

Queen of Deception
S2 E5

In Susanville, Calif., a beloved police officer is found dead in what looks like an apparent suicide, then detectives launch a full-blown murder investigation and zero in on the officer's wife as a possible suspect.

Control Freak
S2 E6

Donna Scrivo hasn't seen her adult son, Ramsay, in days, and she's worried; she alerts the police, but days pass with no sign of him anywhere; then the discovery of a severed head and body parts along a highway reveals an act of shocking violence.

The Rich Get Richer
S2 E7

Penny Knell is admitted to a special care facility, where a devious mastermind is waiting to prey on vulnerable people; when Penny's family gets ensnared in her web, the consequences will be fatal.

A Life of Lies
S2 E8

In Prichard, Ala., loving father Re'Mano Campbell is found murdered in his home; it takes the cunning wit of local investigators to unravel the mystery of who murdered him.

When All Else Fails
S2 E10

After her home is invaded and her husband murdered, Shaunna Dodd recounts her harrowing ordeal at gunpoint; however, when investigators dig deeper, they uncover a tale of lies, infidelity and shady characters who have wandered into the Washoe Valley.

Mistress Roulette
S1 E1

Married family man Dr. Adam Frasch has a booming practice, and he loves to spend money on houses, automobiles and exotic dancers; ultimately, the doctor will reap what he sows in deceit and jealousy.

Til' Death Do We Part
S1 E3

Lyle and Carol Kopenskey are high school sweethearts who marry after graduation; after 40 years of marriage, one of them becomes involved in an extra-marital affair that leads to cold-blooded murder.

Who Lies Beneath
S1 E4

Valuing wealth more than love, Michelle Donohue casts aside good men before meeting Mr. Right who gives her a taste of her own medicine and sends her down a murderous path.

Best of Friends
S1 E5

In Garden Grove, Calif., 19-year-old Jose Najera sneaks out of his parents' house to attend a late-night party, then he returns home to find both parents dead on their bedroom floor.

Mother of All Murders
S1 E6

Janet Lynn Mickey dreams of starting her own family and marries college football star Darrell Tyburski; plans change after the young couple begins having children, leading them down a very dark path.

Family or Foe
S1 E7

Terror strikes during a young family's evening stroll in La Mirada, Calif.; nothing seems to add up during the criminal investigation, with the truth taking years to emerge.

Accident Waiting to Happen
S1 E8

Single mother Rainey Morin meets soul mate Robert Kowalski who treats her like a queen; however, beneath Kowalski's kind veneer is a dark history that threatens to wreak havoc.

Weeping Widow
S1 E9

After losing her husband in a tragic accident, a God-fearing Cindy McKay claims she has to bend the law to pay off his illicit debts; authorities soon realize that Mckay is a criminal mastermind.

Living Off the Dead
S1 E10

George Kalomeris is a family man who looks after the less fortunate in his community, then a dying man fingers Kalomeris as the shooter, and police discover a monster more diabolical than anyone could ever imagine possible.