Washington: Authorities are considering filing criminal charges against Orlando gunman Omar Mateen's wife, Noor Salman, for failing to inform the FBI what she knew before the attack, but no decision has been made till now.

Salman, has told the FBI that she drove Mateen, 29, to the Pulse nightclub on a prior occasion but that she tried to talk him out of the deadliest mass shooting in modern US history, officials told NBC News.