FILE – In this Jan. 13, 2020, file photo Attorney General William Barr and FBI Deputy Director David Bowdich, second from left, address reporters at the Justice Department in Washington to announce results of an investigation of the shootings at the Pensacola Naval Air Station in Florida. An an image of an iPhone is displayed at left. The Justice Department has placed a high national-security priority on its probe of the incident, insisting that investigators must get access to data from two locked and encrypted iPhones that belonged to the alleged gunman, a Saudi aviation student. (AP Photo/J. Scott Applewhite)