Police commander provides more details on Trump rally shooting

Col. Christopher Paris, left, the Pennsylvania State Police commissioner, and Patrick Yoes, president of the Fraternal Order of Police, are sworn in to testify during the House Homeland Security Committee hearing to examine the assassination attempt on former President Donald Trump Tuesday on Capitol Hill in Washington. (Jason Andrew/The New York Times)

WASHINGTON — Two days before a gunman wounded former President Donald Trump in Butler, Pennsylvania, the Secret Service walked the site of the planned campaign rally with members of the Pennsylvania State Police, who had been pulled in for added security.