The attempted assassination of former President Donald Trump at a rally in Pennsylvania on Saturday left one attendee and the gunman dead, and two more attendees still in critical condition 12 hours later. Trump was grazed by a bullet and treated at a local hospital, but released late Saturday night. The FBI has identified the shooter, now deceased, as 20-year-old Thomas Matthew Crooks of Bethel Park, Pa., a registered Republican. He used a semi-automatic weapon, NBC News reports. CNBC's politics reporters and breaking news teams are covering the day's developments from Washington, D.C. and New York City.

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Persons: Donald Trump, Trump, Thomas Matthew Crooks, Mike Johnson, demonized Trump Organizations: FBI, NBC, Republican National Convention, Trump, Democratic Locations: Pennsylvania, Washington, California, Bethel Park, Pa, Milwaukee, Washington ,, New York City