Shooting and were learning details how tsa agents respond. Cbs reporter with more information from the fbi. Today federal prosecutors say they filed charges against l. A. X. Shooting suspect paul ciancia. Investigators say he was dropped off at the airport before he walked up to the security checkpoint. The defendant is alleged to have pulled a smith wesson. 223 caliber Assault Rifle out of his bag and fired multiple rounds at point blank range at the tsa officer, who was standing on duty and in uniform, severely wounding tsa officer hender the defendant is then alleged to have begun walking away from the wounded tsa officer and going up an escalator and then coming back down that escalator to return and shoot the wounded officer again. Investigators say they found a signed handwritten note at the scene in which ciancia said i wanted to target officers. He has both uniform and undercover officers spread out throughout the airport and his department will maintain the enhanced deployment