Seasons & Episodes
EP 1
Sexual Sadists
Experts examine the backgrounds of serial killers with sexual desires. How do so many of them evade capture and what lea
EP 2
Cold-Blooded Killers
Experts and investigators examine the backgrounds of the world's most notorious serial killers to create a cognitive psy
EP 3
Extreme Killers
Experts examine the backgrounds of some of history's most notorious serial killers. They explore the crimes and psycholo
EP 4
Team Killers
Experts and investigators explore the crimes and backgrounds of serial killers who work in pairs. They look into the psy
