Republican presidential candidate former President Donald Trump pumps his fist as he is helped off the stage at a campaign event in Butler, Pa., on Saturday, July 13, 2024. (AP Photo/Gene J. Puskar)
Republican presidential candidate former President Donald Trump is surround by U.S. Secret Service agents at a campaign rally, Saturday, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci)
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., on Saturday, July 13, 2024. (AP Photo/Gene J. Puskar)
People hug after Republican presidential candidate former President Donald Trump was helped off the stage at a campaign event in Butler, Pa., Saturday, July 13, 2024. (AP Photo/Gene J. Puskar)
Preparations are made outside the Fiserv Forum ahead of the 2024 Republican National Convention, Saturday, July 13, 2024, in Milwaukee. (AP Photo/Alex Brandon)
A United States Secret Service officer moves barricades outside the Fiserv Forum ahead of the 2024 Republican National Convention, Saturday, July 13, 2024, in Milwaukee. Former president Donald Trump was whisked off the stage at a rally in Butler, Pennsylvania after apparent gunshots rang through the crowd.(AP Photo/Morry Gash)
A person watches news in a local bar near the Fiserv Forum watching news ahead of the 2024 Republican National Convention, Saturday, July 13, 2024, in Milwaukee. Former president Donald Trump was whisked off the stage at a rally in Butler, Pennsylvania after apparent gunshots rang through the crowd.(AP Photo/Matt Rourke)
Republican presidential candidate former President Donald Trump is surrounded by U.S. Secret Service agents at a campaign rally, Saturday, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci)
Republican presidential candidate former President Donald Trump is covered by U.S. Secret Service agents at a campaign rally, Saturday, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci)
Republican presidential candidate former President Donald Trump waves from the stage as he is surrounded by U.S. Secret Service agents at a campaign rally, Saturday, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci)
A campaign rally site for Republican presidential candidate former President Donald Trump is empty and littered with debris Saturday, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci)
Republican presidential candidate former President Donald Trump pumps his fist as he is helped into a vehicle at a campaign event in Butler, Pa., on Saturday, July 13, 2024. (AP Photo/Gene J. Puskar)
President Joe Biden speaks, Saturday, July 13, 2024, in Rehoboth Beach, Del., addressing news that gunshots rang out at Republican presidential candidate former President Donald Trump's Pennsylvania campaign rally. (AP Photo/Manuel Balce Ceneta)
Law enforcement officers gather at campaign rally site for Republican presidential candidate former President Donald Trump is empty Saturday, July 13, 2024, in Butler, Pa. Trump's campaign said in a statement that the former president was "fine" after a shooting at his rally in Butler (AP Photo/Evan Vucci)
People take cover as U.S. Secret Service agents surround Republican presidential candidate former President Donald Trump on stage at a campaign rally, Saturday, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci)
Republican presidential candidate former President Donald Trump is covered by U.S. Secret Service agents at a campaign rally, Saturday, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci)
Republican presidential candidate former President Donald Trump is surrounded by U.S. Secret Service agents at a campaign rally, Saturday, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci)
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, Saturday, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci)
Republican presidential candidate former President Donald Trump is helped off the stage at a campaign event in Butler, Pa., on Saturday, July 13, 2024. (AP Photo/Gene J. Puskar)
Republican presidential candidate former President Donald Trump is helped off the stage at a campaign event in Butler, Pa., Saturday, July 13, 2024. (AP Photo/Gene J. Puskar)
Republican presidential candidate former President Donald Trump is helped off the stage at a campaign event in Butler, Pa., on Saturday, July 13, 2024. (AP Photo/Gene J. Puskar)