 The suspect was shot and killed by the Secret Service. He's been identified as 20-year-old Thomas Matthew Crooks of Bethel Park, Pennsylvania. His motive is not yet known. CBS national security contributor Samantha Vinograd says investigators have a lot of work ahead of them. Right now, the goals are to investigate the incident, both the perpetrator and the security failures, as well as to try to tamp down any tensions that may arise coming out of it. President Biden spoke to Trump shortly after the attack. He also addressed the shooting at a press conference.