A Canadian man, inspired by the television show Dexter, lures his murder victims through online dating sites.  Resources:  Dateline: Deadly House of Cards, NBC Television, September 16, 2011. "Alleged First Victim Recalls His Escape" by Nahreman Issa for CTV News, April 1, 2011.  "'Dexter Killer' Mark Twitchell among members of dating site for inmates" by Scott Stevenson for CBC News, Jan 9, 2017 Mark Twitchell's "Profile of a Psychopath", retrieved on Scribd.com. https://www.scribd.com/document/52942084/Mark-Twitchell-s-Profile-of-a-Psychopath Alleged Diary from Mark Twitchell's Computer (GRAPHIC WARNING), retrieved on Scribed.com. https://www.scribd.com/doc/202712564/51755869-WARNING-GRAPHIC-Alleged-Diary-From-Twitchell-s-Computer Links: The Troubles Podcast: https://shows.acast.com/the-troubles-podcast