But it still wasn't clear Monday what motivated Mateen to attack the nightclub. Mina would not say whether Mateen appeared to be on a suicide mission. Even after the Orlando massacre, the campaigning goes on as Trump and Clinton respond. He also is believed to have visited other gay venues to check out as potential targets, the official said, speaking on condition of anonymity. No issues involving encrypted data -- a major stumbling block in the investigation into the San Bernardino attacks -- have emerged, the official said.
He told investigators that he had been lying and blustering about his terrorist ties.
He said he'd had no inkling that his son might perform any kind of act of terrorism. Fifty-three more were wounded. Most Read.
This article has been updated with law enforcement looking into reports that shooter used gay apps and visited gay club, and that he may have scouted sites associated with Disney World.