In 1996, Jack Spillman (a k a the Werewolf Butcher) confessed to murdering three people, two of them children and one just 9 years old. His brutality was staggering, not just raping his victims but ...

Ever wonder if there are as many serial killers lurking in the shadows as there used to be? Well, tried-and-true crime followers have, which is why Oxygen.com wanted to get to the bottom of the truth ...