EPISODE
Chicago-area contractor John Wayne Gacy leads a double-life as a serial killer, while detectives piece together clues that lead to a shocking discovery.
4 November 1968, Ontario, Canada
1 December 1976, New York, New York, USA
30 August 1979, Camarillo, California, USA
5 December 1982, Austin, Texas, USA
1 May 1978, New York City, New York, USA
8 September 1990, Minneapolis, Minnesota, USA
29 August 1986, Thornhill, Ontario, Canada
28 May 1955, Bethesda, Maryland, USA
1972, Winnipeg, Manitoba, Canada
12 June 1987, California, USA
3 December 1987, Brooklyn, New York City, New York, USA

