Police say 23-year-old Elmer David Cespedes-Orozco of Lexington, N.C., was charged with armed robbery after he turned himself in Wednesday night.

Investigators think Cespedes-Orozco held a gun during the April 27 robbery.

Authorities say two men in ski masks robbed the agent and two people with her at gunpoint. The agent fired a shot at the men as they ran off.

Investigators say they have not determined if a man whose body was found earlier this week in Laurens County was involved in the robbery.

Authorities say the man was shot in the heart and dumped by a dirt road.