Top 20 Scariest Real Life Killers You've Never Heard Of

The fact that most people have never heard of these horrific serial killers is the real crime. For this list, we’ll be looking at the most terrifying murderers that haven’t received widespread recognition. Our countdown includes the Harpe Brothers, Luis Garavito, Clementine Barnabet, Israel Keyes, and more! Which of these criminals creeps you out? Let us know in the comments.

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10 Serial Killers That Are STILL ACTIVE: https://youtu.be/HEKmC0y4nqk
20 Cold Cases That Were Finally Solved: https://youtu.be/aFlo8G7NpsM
Top 20 Serial Killers Who Were Never Caught: https://youtu.be/S8eo4-URLpA

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