John Wayne Gacy: Devil in Disguise (2021) is a Documentary, Crime series that follows 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. Currently, you can watch John Wayne Gacy: Devil in Disguise on Peacock Premium, Peacock Premium Plus. Streaming availability may vary by country and platform over time. It has a user rating of 6.9 out of 10 from 24 votes. Fans of documentary series may also want to explore similar titles below.