 Yeah, moments after those shots were fired, the former president was ushered off the stage by the Secret Service, holding a fist in his ear to signal to the crowd that he was okay. In the meantime, new details and reaction coming in overnight. The FBI holding a news conference just after midnight with the early stages of their investigation. They've identified the shooter as 20-year-old Thomas Matthew Crooks from Pennsylvania. NBC's Alice Barr has the latest developments.