Season 1 Episodes13
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Ranked #9 of 13 in Season 1•−0.1 vs season avg
Detailing the crimes of serial killer Keith Jesperson, also known as the "Happy Face Killer."
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"Happy Face Killer" is episode 12 of Unusual Suspects season 1. It scored 7.5/10 from 25 votes, ranking #9 of 13 episodes this season (season average 7.6). It aired on August 30, 2010.