Ms. Comey, the daughter of James Comey, the former director of the F.B.I., worked for the U.S. attorney’s office in Manhattan, handling the prosecutions of Jeffrey Epstein and Sean Combs.
With moves in Alaska and California, the department has stepped up interventions in the midterm elections as the president’s instrument of unmediated executive power.
President Trump during a campaign rally in support of Senator Dan S. Sullivan in Wasilla, Alaska, this month. Mr. Trump urged the Justice Dept. to intervene in the Senate race.