Terry Sullivan
Self - Fmr. Prosecutor, Cook County, IL
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.
John Wayne Gacy: Devil in Disguise
Self - Fmr. Prosecutor, Cook County, IL
Archive footage
Self - Ret. News Anchor & Chief Correspondent / Production Consultant
Self - Ret. Des Plaines Police Detective
Self - Fmr. Prosecutor, Cook County, IL
Self - John Gacy's Sister
Self - John Gacy Prison Correspondent
Self - Ret. Des Plaines Police Officer
Self - Ret. Des Plaines Police Officer
Self - Fmr. Chief Prosecutor, Cook County, IL
Self - John Gacy's Former Friend
Self - John Szyc's Sister
Self - Gregory Godzik's Sister
Self - Former Gacy Employee
Self - Fmr. Prosecutor, Black Hawk County, IA
Self - John Szyc's Brother
Self - Jeffrey Rignall's Partner
Self - Gacy's Death Row Attorney
Self - News Reporter & Anchor
Self - Journalist / Executive Consultant / Other
