 Both have been sent to the FBI lab in Quantico, Virginia, for analysis. The FBI says the gun was purchased legally, it believes, by the shooter's father. Rojek identified it as an AR-556, which is an AR-15-style rifle. The cell phone, though, is an urgent focus for investigators. That's NPR's Ryan Lucas. Authorities say Crooks was registered Republican but donated $15 to a Democratic group in 2021, and it doesn't appear he had a criminal record.