 Meanwhile, law enforcement trying to piece together how a gunman was able to shoot at former President Trump during that Pennsylvania rally. Secret Service Director Kimberly Cheadle says her agency will cooperate with an independent review ordered by the White House set for July 22nd. She is going to speak with leaders of the Homeland Security Committee today, and there's going to be a briefing for all committee members later on today and a big hearing on Monday before the House Oversight Committee. Fox reporter Chad Pergram, one rally attendee was killed following the attack and two others were injured.