Season 4
10 episodes
0 min. per episode
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A brilliant psychologist uncovers chilling patterns in notorious killers, blurring the line between fascination and fear as danger lurks nearby.
Episodes
The "Tourniquet Killer" terrorizes young girls across Houston, Texas. When advances in DNA finally lead to his arrest, this psychopath eagerly confesses to multiple murders.
First responders arrive at a home in Ontario where a mother leads officers to the bodies of her two children. An investigation yields the truth: this awful tragedy isn't an accident but a carefully crafted killing by a vengeful psychopath.
A longtime nurse confesses to helping end the lives of numerous elderly patients at multiple nursing homes; detectives discover this is no angel of mercy; behind her unsuspecting persona lies a ruthless psychopath.
A failed actor take out his rage on the weakest members of society; after killing four people, a chance encounter with police leads to his downfall; the interrogation room becomes the stage for this killer's final performance.
Burlington Police get a call that a man killed his girlfriend. At the scene they find the man calm while his girlfriend's body lies nearby. He explains that he has other victims, revealing a history of psychopathic sexual deviancy.
For every psychopath there are signs. Would you see them? Revisiting some of the most dangerous killers in modern history to see which psychopathic traits they exhibited. Featuring real archive footage.