WASHINGTON, DC – DECEMBER 21: US Attorney General Bill Barr holds a news conference to provide an update on the investigation of the terrorist bombing of Pan Am flight 103 on the 32nd anniversary of the attack, at the Department of Justice December 21, 2020 in Washington, DC. Barr announced criminal charges against one of the alleged Libyan bombmakers. The bombing occurred on December 21, 1988, killing all 259 people on board and eleven on the ground in Lockerbie, Scotland. (Photo by Michael Reynolds-Pool/Getty Images)