When preppy, 22-year-old Philip Markoff was arrested for the killing of a Craigslist masseuse, Julissa Brisman, those who knew him were quick to come to his defense. "He could not hurt a fly," said his fiancée, Megan McAllister. "Phil is simply not capable of this," said a friend of Markoff's from his Quincy, Mass. apartment building. But Markoff had a darker side. A Lifetime Documentary Special, "Catching the Craigslist Killer." #BeyondTheHeadlines #CatchingTheCraigslistKiller Subscribe for more from Beyond the Headlines and other great Lifetime movies: mylt.tv/subscribe Check out exclusive Lifetime content: Website - mylt.tv/myLifetime Facebook - mylt.tv/facebook Twitter - mylt.tv/twitter LMN is a top entertainment destination for women, featuring a diverse mix of original movies and themed programming inspired by sister network Lifetime's iconic movie heritage. LMN's unique brand of storytelling serves a passionate and loyal audience with a contin...