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 (2013 - now)
Schedule: Wednesdays at 20:00 (60 min)
Status: Running
Show Type: Documentary
Genres: Crime

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Next Episode

The Rich Get Richer

Episode 3x07; Jun 25, 2019

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.

Previous Episodes

Episode NameAirdateTrailer
3x06: Control FreakJun 18, 2019
3x05: Queen of DeceptionJun 11, 2019
3x04: Recording EvilJun 4, 2019
View full episode list »