Todd Blanche, the acting attorney general, during an appearance before the Senate appropriations subcommittee on Tuesday.

James B. Comey, the former F.B.I. director, was indicted last year by a grand jury in Virginia, accused of lying and obstructing a congressional investigation over testimony he gave in 2020. The charge was later dismissed.

President Trump has sought to control the Justice Department to pursue his political enemies.

The federal judges for the Southern District of New York are to vote on whether to name Jay Clayton, interim U.S. attorney for the district, to remain in the post.