John Wayne Gacy: Devil in Disguise (2021)
- HD 1080
- Runtime: 51m.
- Status: Ended
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- Languages: en
- Country: United States of America
- Director: Rod Blackhurst
- Stars: John Wayne Gacy, Robert K. Ressler, Terry Sullivan
- keywords: serial killer, true crime
- Production_studio: NBC News Studios, Witchcraft Motion Picture Company
- Slogan: Straight from the killer's mouth
- Seasons: 1
- Episodes: 6
- First air date: 2021-03-25
- Last air date: 2021-03-25
- providers: Peacock Premium, Peacock Premium Plus
The chilling story of one of the world’s most notorious serial killers told through the words of Gacy himself, those who were forever changed by his unspeakable deeds and those who believe that the full truth remains concealed to this day.