World's Most Evil Killers

1:00 AM to 2:00 AM

Wednesday 25 June

John Wayne Gacy

Season 1 Episode 5 of 8

John Wayne Gacy murdered 33 boys and young men during a six year period in the 1970s, hiding their bodies in his suburban home. He was executed in 1994

World's Most Evil Killers airs on True Crime at 1:00 AM, Wednesday 25 June.

Learn more about World's Most Evil Killers and other education/science/factual topics on our factual page

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