World's Most Evil Killers 5x4
Season 5 · Episode 4
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Overview
The Happy Face Killer: A profile of the serial killer, whose chilling confession letters to the media and prosecutors were signed off with smiley faces.
Season 5 · Episode 4
The Happy Face Killer: A profile of the serial killer, whose chilling confession letters to the media and prosecutors were signed off with smiley faces.
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