John Wayne Gacy was convicted of murdering 33 people, making him one of the most prolific serial killers in US history.
The series contains stars from Severance, The Last of Us and Oppenheimer ...
When Peacock greenlit Devil in Disguise: John Wayne Gacy, showrunner Patrick Macmanus knew he didn't want to make another sensational true-crime series. "I actually turned it down twice before I said ...
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