 support or if he communicated with anyone else. The president saying the nation should resolve its differences with ballots, not bullets. ABC's Andy Field in Washington. The attempted assassin who was killed by Secret Service snipers after firing the shot that apparently grazed former President Trump was identified as 20-year-old Thomas Matthew Crooks of Bethel Park, Pennsylvania. He was a member of a local sportsman's club. The semi-automatic rifle he used was legally purchased by his father. FBI agents searched the young man's residence.