Revealed: Orlando gunman drank at Pulse nightclub dozens of times before shooting
Omar Mateen -- MySpace

Gunman visited gay nightclub a dozen times before shooting, witness says

FORT PIERCE, Fla. — At least four regular customers at the gay Orlando nightclub where a gunman killed 49 people Sunday morning said Monday that they believe they had seen the killer, Omar Mateen, there before. "Sometimes he would go over in the corner and sit and drink by himself, and other times he would get…