They're predators who hunt human prey and killers who murder multiple people while remaining hidden among us. Learn the who, what, when, where, how, and why of serial killers – their motives, their methods, their victims. Find out if these murderers are born or made, recognize a killer in the making and examine the reasons why America is home to three quarters of the world's serial killers.
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Ready to Watch Everything You Need to Know, Season 1, Episode 6?