Experts and investigators explore the crimes and backgrounds of serial killers who work in pairs. They look into the psychology of Fred and Rosemary West and others. S1/Ep5
Experts examine the backgrounds of some of history's most notorious serial killers. They explore the crimes and psychology of Peter Sutcliffe and Jeffrey Dahmer. S1/Ep4
Experts examine the backgrounds of serial killers driven by a hatred for humankind, seek revenge for their abusive childhoods, or who simply love to kill. S1/Ep2
Experts examine the backgrounds of serial killers with sexual desires. How do so many of them evade capture and what leads them to commit these heinous crimes? S1/Ep1