(CNN) Florida gunman Omar Mateen called a friend to say goodbye as he carried out his shooting rampage at a gay nightclub in Orlando, two law enforcement officials said Wednesday. Mateen's visits to the Pulse nightclub and Disney Springs happened between June 1 and June 6, a law enforcement official said Tuesday. Hours before the carnage, he made one last trip to Disney Springs by himself, law enforcement officials said. Chris Callen, who performed at Pulse, estimated Mateen visited the nightclub twice a month over three years. The FBI is working to access data from the phone used by the gunman, law enforcement officials said.

Source: CNN June 15, 2016 08:02 UTC