 Authorities recovered an AR-style rifle from the scene. The FBI has raided his home in Bethel Park. Our cameras set up outside. We're watching for more action throughout the day today. How he managed to get so close is now the subject of a sprawling investigation. The Butler County DA says he did not have any criminal record. Selena Zito is reporting on the rally. A Secret Service agent shielding her on the right from the gunfire. We'll talk to Selena in a moment live.