Florence County Coroner Bubba Matthews says an autopsy performed on Christopher Deaver, 33, shows he died of two gunshot wounds to the upper body.
Deaver was working at Rick's Pawn Shop Tuesday night, when Florence police say Tavario Brunson, 17, tried to rob the business.
They say Brunson killed Deaver and wounded Deaver's co-worker.
Brunson is charged with murder, attempted murder and armed robbery. He was arrested a short time after the shooting, not far from the crime scene.
Deaver's co-worker is still in the hospital but is expected to survive. She was able to call 9-1-1, despite having been shot.
You can read our original story on the shooting here.