Detective Joe Kozenczak begins a grisly cat-and-mouse game with Chicago building contractor John Wayne Gacy, a pillar of the community and tireless charity worker, who is connected with the latest disappearance.

Part 1

Detective Joe Kozenczak is under pressure from community leaders and his superiors to close down the investigation of suspect John Wayne Gacy.

Part 2

The true gruesome story of John Wayne Gacy - a good friend and helpful neighbour, a great child entertainer, a respectful businessman, and a violent serial killer who raped and murdered over 30 young boys.

All Episodes of To Catch a Killer

Browse all episodes of To Catch a Killer

Season 1

Part 1

Season 1 Episode 1 - Aired 1/5/1992

Part 2

Season 1 Episode 2 - Aired 1/6/1992