Most Evil (2006)

Episode Overview

Title: Cold-Blooded Killers Plot: Some of history’s most infamous murderers—Bundy, Gacy, Ridgway, and Sells—are responsible for countless deaths and are united by a singular trait: they are all psychopaths. Research suggests that approximately one in every hundred individuals possesses psychopathic tendencies. But what drove these individuals to commit such heinous acts? Was it their genetics or their upbringing? To uncover the roots of their violent behavior, we will delve into their early years, present groundbreaking scientific findings on psychopathy, and even have a chilling encounter with one of these killers.