

A chronicle of the twisted lives of some of the most frightening, diabolical characters in recent history. Each two-hour episode traces the heinous, criminal acts of these elusive miscreants and the eventual road to justice.
This is the shocking and gruesome mystery of John Wayne Gacy, a popular Chicago businessman and part-time clown who was leading a double life in the 1970s. By day he was a community leader and by night a predator of young men.
Aired: 3/17/2019In Chicago, community leader and part-time clown John Wayne Gacy leads a double life, transforming into a monster who preys on male teenagers and becomes the most prolific serial killer of his day.