FILE - Republican presidential candidate former President Donald Trump arrives for a campaign rally, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci, File)
FILE - A crowd waits for Republican presidential candidate former President Donald Trump to speak at a campaign event in Butler, Pa., July 13, 2024. (AP Photo/Gene J. Puskar, File)
FILE - A motorcade with Republican presidential candidate former President Donald Trump arrives at a campaign event in Butler, Pa., July 13, 2024. (AP Photo/Gene J. Puskar, File)
FILE - Republican presidential candidate former President Donald Trump speaks at a campaign rally, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci, File)
FILERepublican presidential candidate former President Donald Trump arrives for a campaign event in Butler, Pa., July 13, 2024. (AP Photo/Gene J. Puskar, File)
FILE -Republican presidential candidate former President Donald Trump gestures as he 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 - Republican presidential candidate former President Donald Trump reacts following an assassination attempt at a campaign event in Butler, Pa., July 13, 2024. (AP Photo/Gene J. Puskar, File)
FILE - The Butler Farm Show, site of a campaign rally for Republican presidential candidate former President Donald Trump, viewed July 15, 2024 in Butler, Pa. (AP Photo/Gene J. Puskar, File)
FILE - Law enforcement officers gather at the campaign rally site for Republican presidential candidate former President Donald Trump July 13, 2024, in Butler, Pa.(AP Photo/Evan Vucci, File)
FILE - Republican presidential candidate former President Donald Trump is covered by U.S. Secret Service agents at a campaign rally, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci, File)
FILE - A view inside a tent at a campaign rally for Republican presidential candidate former President Donald Trump shows a video monitor after Trump was the target of an assassination attempt Saturday, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci, File)
FILE - Members of the crowd react as U.S. Secret Service agents surround Republican presidential candidate former President Donald Trump at a campaign event in Butler, Pa., July 13, 2024. (AP Photo/Gene J. Puskar, File)
FILE - Republican presidential candidate former President Donald Trump pumps his fist as he is escorted into a vehicle at a campaign event in Butler, Pa., July 13, 2024. (AP Photo/Gene J. Puskar, File)
FILE - Supporters cheer as Republican presidential candidate former President Donald Trump arrives for a campaign rally, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci, File)
FILE - Police snipers return fire after shots were fired while Republican presidential candidate former President Donald Trump was speaking at a campaign event in Butler, Pa., July 13, 2024. (AP Photo/Gene J. Puskar, File)
FILE - Republican presidential candidate former President Donald Trump is surrounded by U.S. Secret Service agents at a campaign rally, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci, File)
FILE - U.S. Secret Service agents converge to cover Republican presidential candidate former President Donald Trump at a campaign rally, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci, File)
FILE - A campaign rally site for Republican presidential candidate former President Donald Trump is empty and littered with debris July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci, File)
FILE - Republican presidential candidate former President Donald Trump is surrounded by U.S. Secret Service agents at a campaign rally, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci, File)
FILE - Republican presidential candidate former President Donald Trump is surrounded by U.S. Secret Service agents at a campaign rally, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci, File)
FILE - A campaign rally site for Republican presidential candidate former President Donald Trump is empty and littered with debris July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci, File)
FILE - U.S. Secret Service agents respond as Republican presidential candidate former President Donald Trump is surrounded on stage by U.S. Secret Service agents at a campaign rally, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci, File)
FILE - People react during a campaign rally with Republican presidential candidate former President Donald Trump at a campaign rally, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci, File)
FILE - Republican presidential candidate former President Donald Trump arrives for a campaign rally, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci, File)