"Jesus, guy." [Costigan muttered as he entered, closing and locking the door behind him. The inmate accepted the invitation and moved immediately to where the gun was resting, picking it up. First he touched a hand briefly to the barrel to test for heat, then opted to count instead. It took no thought to flick the small lever that released the magazine for him to count ammunition, so the inmate's eyes were on the gun, but his mind was on Bourne.] "What happened and where is he?"