Dr. Ariel Goldschmidt, Medical Examiner of Allegheny County, Pa., testifies virtually, seen on video screen, watched by Lt. John Herold of Pennsylvania State Police, left, and former U.S. Secret Service agent Patrick Sullivan, center, at the first public hearing of a bipartisan congressional task force investigating the assassination attempts against Republican presidential nominee former President Donald Trump, at Capitol Hill in Washington, Thursday, Sept. 26, 2024. (AP Photo/Ben Curtis)