Worst mass shooter in U.S. history: NYC-born 'Islamic extremist' Omar Mateen, 29, who shot dead 50 and injured 53 in Orlando gay club was homophobe 'who got angry when he saw men kissing'
http://www.dailymail.co.uk/news/article-3637414/Everyone-running-Gunman-bursts-gay-nightclub-Florida-shoots-20-people-taking-hostages.html