SHOWTIME’S “Dexter” has spawned an alleged copycat killer. Canadian filmmaker Peter Twitchell, an avid “Dexter” fan, was charged by Edmonton police with the Halloween murder of a man who he lured to a ...

Hey, here’s an awful thing. Canadian murderer Mark Twitchell — who based the murder he committed on the Showtime drama Dexter, and apparently had designs on becoming a full-fledged serial killer — has ...

Add Yahoo as a preferred source to see more of our stories on Google. In October of 2008, Gilles Tetreault escaped after a violent struggle with a Canadian man who's been called "The Dexter Killer." ...

In October of 2008, Gilles Tetreault escaped after a violent struggle with a Canadian man who's been called "The Dexter Killer." Tetreault shares his survival story with "48 Hours" for their report: ...