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Season 1 – Diabolical

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Like trying to decipher the value of a book without ever opening it, judging a person by his or her outward appearance can be a mistake. Someone may look perfect on the outside, but even the most kind-hearted soul has a dark side looming. "Diabolical" is a 10-episode docuseries that delves into the minds of murderers, asking a simple question: "Why did they do it?" The acts were committed with extreme premeditation -- many were months or even years in the making. Tension builds in each episode as law enforcement taps into the methods of devious masterminds, aided by insights from forensic psychologists and psychiatrists as well as criminal profilers.
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Diabolical — Season 1

Diabolical — Season 1

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Episodes

Episode 1 Aired Jan 1, 2018 Mistress Roulette 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. Details Episode 2 Aired Mar 15, 2018 Lying for Love Temptress Cathy Cousin moves in next door to devoted family man Tim Koile, wrapping him around her finger and convincing him to satisfy her every whim no matter how diabolical. Details Episode 3 Aired Mar 22, 2018 Til' Death Do We Part 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. Details Episode 4 Aired Mar 29, 2018 Who Lies Beneath 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. Details Episode 5 Aired Apr 5, 2018 Best of Friends 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. Details Episode 6 Aired Apr 12, 2018 Mother of All Murders 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. Details Episode 7 Aired Apr 19, 2018 Family or Foe 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. Details Episode 8 Aired Apr 26, 2018 Accident Waiting to Happen 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. Details Episode 9 Aired May 3, 2018 Weeping Widow 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. Details Episode 10 Aired May 10, 2018 Living Off the Dead 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. Details Episode 11 Aired May 17, 2018 One Mistress More A doctor has an insatiable appetite for women, collecting them like exotic cars, but unlike the cars, he stashes them on his various properties, hiding them from one another, and especially from his wife. Details
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Diabolical — Season 1

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Season Info

Network
ID
Rating
TV-14
Genre
Crime
Original Language
English
Release Date
Jan 1, 2018