FILE - A U.S. Secret Service agent stands watch outside a campaign bus for Democratic presidential nominee Vice President Kamala Harris and her running mate Minnesota Gov. Tim Walz, Aug. 18, 2024, in Rochester, Pa. (AP Photo/Julia Nikhinson, File)

FILE - Republican presidential candidate former President Donald Trump is surrounded by U.S. Secret Service agents as he is helped off the stage at a campaign rally in Butler, Pa., July 13, 2024. (AP Photo/Gene J. Puskar, File)

FILE - U.S. Secret Service agents stand watch as Republican presidential nominee former President Donald Trump speaks at a news conference at Trump National Golf Club, Aug. 15, 2024, in Bedminster, N.J. (AP Photo/Julia Nikhinson, File)

FILE - Ronald Rowe Jr., the acting director of the Secret Service, speaks during a news conference by law enforcement officials, Sept. 16, 2024, at the Palm Beach County Sheriff's Office in West Palm Beach, Fla. Listening in are, from left, U.S. Attorney Markenzy Lapointe, for the Southern District of Florida, Special Agent in Charge Jeffrey B. Veltri of the FBI Miami Field Office, and Palm Beach County Sheriff Ric Bradshaw. (AP Photo/Wilfredo Lee, File)