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Diabolical

Perfect on the outside, mental on the inside. Even the most kind-hearted people have a dark side looming. Diabolical looks at the minds of murderers with the question: "why did they do it?" Take a trip through the picture-perfect life and see the events that lead to a brutal murder. The tension builds throughout each episode as you dive deeper into the psychological workings of the murderer. With key insights from forensic psychologists and psychiatrists along with criminal profilers, a full analysis of the behavioral underpinnings and key moments in each crime will be on display. Diabolical shows how much people can conceal, until they blow.

Show Info

Network: United States Investigation Discovery (2018 - 2020)
Schedule: Tuesdays at 21:00 (60 min)
Status: Ended
Show Type: Documentary
Genres: Crime

Official site: www.investigationdiscovery.com

7.3 (7 votes)

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Previous Episode

Evil Sister Act

Episode 3x10; May 12, 2020

When Samuel Johnson Jr. suddenly vanishes, investigators find themselves face-to-face with two sisters who know something; through a series of interrogations, they reveal an elaborate murder plot meticulously engineered by a puppeteer. 

Previous Episodes

Episode NameAirdateTrailer
3x10: Evil Sister ActMay 12, 2020
3x09: Killer Track RecordMay 5, 2020
3x08: Caught in the Cover-UpApr 28, 2020
View full episode list »
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