Former F.B.I. officials say Mr. Patel beefed up field office staffing near his girlfriend in Nashville and ordered a team to ferry her on errands and to events.
Defense officials criticized the A.I. firm after it rejected their latest offer. Anthropic has until 5:01 p.m. on Friday to give them unrestricted access to its model.
Hillary Clinton, the former secretary of state, had requested a public hearing if she was going to be forced to testify in the House Oversight Committee's investigation, but the G.O.P. chairman had refused.
Documents released by the Justice Department briefly mention a woman's unverified accusation that Donald J. Trump assaulted her in the 1980s, when she was a minor. But several memos related to her account are not in the files.