Source: Authorities considering at least 2 charges against Orlando shooter's wife

ORLANDO — ABC News has confirmed through their sources that authorities are considering at least two charges against the wife of the Orlando nightclub shooter.

Law enforcement officials say Omar Mateen's wife, Noor Salman, went to buy ammo with him, visited Pulse nightclub with him at least once and may have tried to talk him out of committing an act of violence.

Wednesday, the FBI said they were questioning Salman about what she knew, and when she knew it.

READ: FBI questions wife of Orlando mass shooter

Noor Salman claims she tried to talk her husband out of it, a law enforcement official told ABC News.

Authorities said that she was not initially forthcoming with investigators but began to open up and cooperate after pressure from investigators.

READ: ABC and WFTV: Wife of Orlando shooting suspect could face arrest

A marriage license shows that Mateen has been married to his wife, Noor Salman Mateen, since Sept. 29, 2011.

The marriage ceremony was performed in Berkeley, California, after the couple met online, a family member of Noor Mateen told ABC News. It is unclear on what website the couple met. Her parents were born in Palestine, the marriage license shows.

(ABC News contributed to this article)

Cox Media Group