Mark Andrew Twitchell (born July 4, 1979) is a Canadian filmmaker convicted of first degree murder in 2011 for killing John Brian “Johnny” Altinger. His trial attracted particular media attention because Twitchell had allegedly been inspired by the fictional character Dexter Morgan. The character appears in a series of novels by Jeff Lindsay and the television drama Dexter. Born in Edmonton, Alberta, Twitchell dreamt of … Continue reading Mark Twitchell The Dexter CopyCat