20 Most Terrifying and Disturbing Serial Killers

These are the worst serial killers of all time. For this list, we’ll be looking at the creepiest multiple-fatality felons that kept us up late at night due to their terrible actions and unsettling behavior. Our countdown includes Dennis Rader, Albert Fish, Jeffrey Dahmer, H.H. Holmes, and more. Which of these appalls you the most? Let us know below.

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Top 20 Serial Killers Who Were Never Caught:    • Top 20 Serial Killers Who Were Never Caught  

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