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.

A TV series where individuals share their perspectives of loved ones who committed horrific crimes.

The classic long-running prime time TV investigative news magazine.

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.

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Julie disappeared in 1990 and her body was found 80 days later. The killer was acquitted twice due to mistrials but later admitted to the murder. The archaic double jeopardy law prevented a retrial until ensuring justice for Julie.

Julie disappeared in 1990 and her body was found 80 days later. The killer was acquitted twice due to mistrials but later admitted to the murder. The archaic double jeopardy law prevented a retrial until ensuring justice for Julie.

Julie disappeared in 1990 and her body was found 80 days later. The killer was acquitted twice due to mistrials but later admitted to the murder. The archaic double jeopardy law prevented a retrial until ensuring justice for Julie.

Julie disappeared in 1990 and her body was found 80 days later. The killer was acquitted twice due to mistrials but later admitted to the murder. The archaic double jeopardy law prevented a retrial until ensuring justice for Julie.