FORT PIERCE — At least four regular customers at the Orlando gay nightclub where a gunman killed 49 people said Monday that they had seen Omar Mateen there before. "Sometimes he would go over in the corner and sit and drink by himself, and other times he would get so drunk he was loud and belligerent," Ty Smith said. [SNIP] Smith told the Orlando Sentinel that he saw Mateen inside at least a dozen times. "We didn't really talk to him a lot, but I remember him saying things about his dad at times," Smith said. "He told us he...