President Joe Biden addresses the nation from the Oval Office of the White House in Washington, Sunday, July 14, 2024, about the assassination attempt of Republican presidential candidate former President Donald Trump at a campaign rally in Pennsylvania. (Erin Schaff/The New York Times via AP, Pool)

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)

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., Saturday, July 13, 2024. (AP Photo/Gene J. Puskar)

Police officers stand at a road leading to the site of the Trump rally, where access is closed, as investigations into the assassination attempt on former President Donald Trump continue, in Butler, Pa., Sunday, July 14, 2024. (AP Photo/Sue Ogrocki

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., Saturday, July 13, 2024. (AP Photo/Gene J. Puskar)

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., Saturday, July 13, 2024. (AP Photo/Gene J. Puskar)