John Wayne Gacy: Devil in Disguise - Season 1 Episode 2 Warning Signs
An examination of Gacy's past reveals unsettling evidence that authorities knew he was a sexual predator; still, Gacy was able to evade law enforcement for more than a decade as he committed his deadly crimes.
- Genre: Documentary, Crime
- Studio: Peacock
- Keyword: serial killer, true crime
- Cast: John Wayne Gacy, Robert K. Ressler, Terry Sullivan
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