What we know about Thomas Matthew Crooks, the suspected Trump rally shooter

The FBI identified 20-year-old Thomas Matthew Crooks of Bethel Park, Pennsylvania as the suspect in Saturday’s attempted assassination of former U.S. President Donald Trump at a campaign rally.

The suspect was shot and killed by the Secret Service seconds after he allegedly fired shots toward a stage where Trump was speaking in Butler, Pennsylvania.

The FBI said it was working to determine a motive for the attack, in which one rally attendee died and two other spectators were critically injured. Trump was shot in the ear.