World's Most Evil Killers Season 1 Episode 1 - John Wayne Gacy

Airdate: 2017-May-27

Episode summary:

Documentary profiling Chicago killer John Wayne Gacy, who was well-liked by his local community, until it emerged he had ended the lives of 33 men in the 1970s.

About World's Most Evil Killers series:

Take an in-depth look at the lives and crimes of some of the World's Most Evil Killers including Jeffrey Dahmer, Richard Ramirez, Cary Stayner...Show more >