TV To Catch a Killer - Season 1 Episode 1 : Part 1 To Catch a Killer - Season 1 Episode 1 : Part 1 7.3/10 by 3 users 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. Details Casts Posters Images Title To Catch a Killer - Season 1 Episode 1 : Part 1 Alternative Titles First Air Date 1992-01-05 Last Air Date 1992-01-06 Number of Episodes 2 Number of Seasons 1 Genres Drama, Crime, Networks CTV, Casts Brian Dennehy, Martin Julien, Margot Kidder, Meg Foster, Michael Riley, Scott Hylands Plot Keywords , John Wayne Gacy Brian Dennehy Koslo Martin Julien Rachel Grayson Margot Kidder Attorney Carlson Meg Foster Joe Kozenczak Michael Riley Paxton Scott Hylands Episodes List To Catch a Killer Season 1 :Episode 1 Part 1 Part 1 1992-01-05 The true gruesome story of John Wayne Gacy - a good friend and helpful neighbour, a great child entertainer, a respectful businessman, and a violent... To Catch a Killer Season 1 :Episode 2 Part 2 Part 2 1992-01-06 The true gruesome story of John Wayne Gacy - a good friend and helpful neighbour, a great child entertainer, a respectful businessman, and a violent...