 moments after he began speaking at a Saturday evening rally in Butler County, Pennsylvania. We had what we're calling an assassination attempt against our former president, Donald Trump. It's still an active crime scene. The Secret Service says a man attending the rally was killed. A doctor standing nearby tried to help him performing CPR. The guy had spun around, was jammed between the benches. He had a headshot here. Trump raised his fist as he left the stage.