From Hannibal Lecter to Harry Powell, serial killers are some of the most fascinating characters ever put on film. Here are ...

Editor’s Note: This story contains graphic descriptions of violence. For decades, criminologists and true crime documentaries have attempted to understand what causes serial killers to commit the ...

(CNN) -- For decades, criminologists and true crime documentaries have attempted to understand what causes serial killers to commit the atrocities they do. Dennis Rader, John Wayne Gacy, Jeffrey ...

A serial killer is an individual who murders a series of victims over a period of time, typically with gaps between each killing. Some serial killers kidnap and or torture their victims before ...

Did you walk past a serial killer today? Maybe it was in the carriage of a packed commuter train, maybe a brushed shoulder in the refrigerated aisle of the supermarket. You probably didn't... but, ...