Coming Out Saves Lives: The Deadly Potential of Internalized Homophobia Is All Too Real

Omar Mateen was the guy at the bar, drinking alone in the corner. Those who describe him as a regular at Pulse, a nightclub located in Orlando, Florida, say that he was prone to making a scene. Ty Smith, who saw him there frequently, told the Orlando Sentinel, that “he would get so drunk he was loud and belligerent.” Patrons remember him not as violent but kind of pathetic, a gloomy character prone to long rants about his father—that is, when he wasn’t offering to buy other men drinks. 

Mateen wasn’t just the saddest guy to ever hold a martini. He may have also been gay....
http://www.alternet.org/civil-liberties/deadly-potential-internalized-homophobia