By eHow Legal Editor
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The term serial killer came into prominence in the late 1970s after heinous crimes like those committed by John Wayne Gacy and Ted Bundy. Since then, gruesome tales of serial killers now occupy news websites and broadcasts with alarming frequency. There's no real, indisputable litmus test to tell if someone has the potential to be a serial killer, but spot the following traits and keep them in mind next time you see a creepy character in your neighborhood.