Orlando gunman Omar Mateen's wife, Noor Salman, has told the FBI that she drove Mateen to the Pulse nightclub on a prior occasion but that she tried to talk him out of the attack, officials told NBC News.
Several officials familiar with what she has told the FBI said she was with him when he bought ammunition and a holster. She also once drove him to the nightclub because he wanted to see it in advance, the officials said.
Mateen shot and killed 49 people at the club and injured another 53.
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Law enforcement officials said authorities are considering filing criminal charges against Salman for failing to tell them what she knew before the attack, but no decision has been made.
Several officials said she is cooperating with the investigation.