The FBI's years-long investigation into Saudi Arabia's role in possibly planning the 9/11 attacks did not show a clear connection, according to new documents.

The FBI released the full transcript Monday of what Omar Mateen, the gunman who shot and killed 49 people inside Orlando's Pulse nightclub last Sunday, said to a 911 dispatcher during his rampage.

911: "Hey, somebody get the FAA, Newark to San Francisco, and they got a hijacking in progress. ... The FBI interview with her husband revealed information about their interaction on the phone.

In remembrance of those who were killed in the attacks on Sept. 11, 2001, the FBI CJIS Division unveiled a new memorial on Wednesday at its visitor's center, which features a 22-foot beam taken ...