The suspected gunman in the attempted assassination of former President Donald Trump was a registered Republican from Bethel Park who donated money to a politically liberal group before he was old enough to vote.The FBI identified Thomas Matthew Crooks, 20, as the shooter early Sunday. He was killed by the Secret Service.Crooks lived in Bethel Park, a South Hills suburb of more than 33,000 people that is about 50 miles south of the Butler Farm Show grounds where the attempted assassination took place.Kevin Rojek, FBI special agent in charge in Pittsburgh, said during a news conference early Sunday that investigators...