Why are we so fascinated by psychopaths? Welcome to WatchMojo, and today we’re counting down our picks for films based on real life serial killers. Our countdown includes movies “Ted Bundy”, “The Boston Strangler”, “Appropriate Adult” and more! Which serial killer film had the biggest impact on you? Let us know in the comments.

Check out these other killer videos:
20 Most Terrifying and Disturbing Serial Killers:    • 20 Most Terrifying and Disturbing Ser...  
10 Mistakes That Got Serial Killers Caught:    • 10 Mistakes That Got Serial Killers C...  
Top 10 Unsolved Serial Killer Mysteries:    • Top 10 Unsolved Serial Killer Mysteries  

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