25 Scary-Clown Movies That'll Give You Nightmares for Days

Clive Saunders's "Gacy" is technically a biopic that follows the titular, real-life serial killer John Wayne Gacy. While he committed heinous crimes, Gacy fronted a reputation as a wholesome family man and business owner — he even entertained kids as a local clown. Portrayed by Mark Holton in the movie, Gacy hid an insidious pastime of killing young men, whose bodies he hid in the crawl spaces underneath his house. The crime horror film shows us Gacy's troubled family history as well as the investigation authorities built around his twisted case.