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FILE - Secret Service Director Kimberly Cheatle attends a news conference, June 4, 2024, in Chicago. Cheatle and the Secret Service are under intense scrutiny following an assassination attempt on former President Donald Trump during a rally Saturday, July 13, in Pennsylvania. He was injured and people across the political spectrum are wondering how a gunman could get so close to the presumptive Republican presidential nominee when he was supposed to be carefully guarded. Cheatle has talked about how the Secret Service has a “zero fail mission.” (AP Photo/Charles Rex Arbogast, File)
FILE - U.S. Secret Service agents surround the vehicle carrying Republican presidential candidate former President Donald Trump at a campaign rally, Saturday, July 13, 2024, in Butler, Pa. (AP Photo/Evan Vucci, File)
Members of the U.S. Secret Service look on as Republican presidential candidate former President Donald Trump speaks at a campaign event with Republican vice presidential candidate Sen. JD Vance, R-Ohio, Saturday, July 20, 2024, at Van Andel Arena in Grand Rapids, Mich. (AP Photo/Carlos Osorio)
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. Secret Service Director Kimberly Cheatle and the Secret Service are under intense scrutiny following the assassination attempt on Trump. People across the political spectrum are wondering how a gunman could get so close to the presumptive Republican presidential nominee when he was supposed to be carefully guarded. Cheatle has talked about how the Secret Service has a "zero fail mission." (AP Photo/Gene J. Puskar, File)