These cops were killers. Welcome to WatchMojo, and today we're examining the most notorious serial killers from around the world who worked in law enforcement in one capacity or another before or during their horrific crimes. Our countdown of cops who turned out to be serial killers includes Anthony Sully, Dennis Nilsen, Joseph James DeAngelo, and more! read more...
10 Cops Who Turned Out to Be Serial Killers
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VOICE OVER: Rebecca Brayton
WRITTEN BY: Jordy McKen
