Season 3 Episodes10
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8.5
House of Horrors
8.5/10 · 8 votesSep 23, 2012
Ranked #3 of 5 in Season 3•matches the season avg
John Wayne Gacy's sister, Karen Kuzma, discovers her beloved big brother's dark secret. She realizes he is the serial killer that has been stalking teenage boys.
Seasons4
Episode Summary
"House of Horrors" is episode 3 of The Devil You Know season 3. It scored 8.5/10 from 8 votes, ranking #3 of 5 episodes this season (season average 8.5). It aired on September 23, 2012.