Video: 'Monster In My Family: Full Episode - Killer Clown: John Wayne Gacy (Season 1, Episode 6) | LMN' (verdict at 34:35)

(Wednesday, March 12, 1980) — A Chicago jury found John Wayne Gacy, 37, guilty today of the murders of 33 men and boys, more than any other mass killer in the history of the nation. Continue reading Gacy found guilty of killing 33, record for U.S. mass murder 40 years ago #OnThisDay #OTD (Mar 12 1980) →