(Charles Dharapak | Associated Press file photo) This May 1, 2008, file photo shows U.S. District Judge Richard W. Roberts before the start of a ceremony at the federal courthouse in Washington. A Utah woman alleges in a lawsuit filed Wednesday, March 16, 2016, that Roberts, a longtime federal judge, sexually assaulted her when he was a prosecutor and she was a teenage witness in a high-profile case 35 years ago.