1. Killer Clown: John Wayne Gacy
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Karen Kuzma - sister of John Wayne Gacy - comes out of the shadows to reveal intimate details of one of the world's most notorious serial killers.
Karen Kuzma - sister of John Wayne Gacy - comes out of the shadows to reveal intimate details of one of the world's most notorious serial killers.
Contains distressing images from real crime scenes, sexual content and mild language. Turn on Parental controls
Families of infamous killers come out of the shadows - hear their stories
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