The World’s Most Prolific Serial Killers Are Proof Monsters Walk Among Us

Paul John Knowles

serial killers
IMAGE BY: Murderpedia

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The Casanova Killer claimed to have killed 35 people in in a cross-country murder spree in the year 1974. Like Santa, he didn’t care if you were rich or poor, male or female. Ironically, he was a notorious serial killer but a lousy escape artist. He was killed by an FBI agent while trying to escape from a moving vehicle.

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