Season 4 Episodes8
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Civil War Serial Killer
Oct 12, 201345 min
As young women begin to go missing across the Midwest, police are on the hunt for a twisted serial killer. A confidential informant goes inside a maximum security prison to look for answers.
Seasons4
Episode Summary
"Civil War Serial Killer" is episode 3 of The Devil You Know season 4. It aired on October 12, 2013.