- The shooting suspect who attempted to assassinate Donald Trump at a Pennsylvania rally used an "AR-style" rifle, the FBI says.
- Police identified the shooter as a 20-year-old male from Bethel Park, Pennsylvania.
- The FBI confirmed the weapon Crooks used was purchased legally.
The would-be assassin of former President Donald Trump at a Pennsylvania rally on Saturday used an "AR-style" rifle that was purchased legally, the FBI believes.