The on-duty station agent became involved in a dispute with a suspect who became belligerent. The suspect, described as a black male in his 60's, 5'7" tall, wearing a multi-colored sweater and a light colored jacket, pointed his fingers at the agent to simulate a handgun and then told the agent he was going to go home to get his gun and come back and shoot the agent. Responding officers detained a man matching the description near the station. The agent made a positive identification of the man. Based on the agent's statements, the man was arrested for making criminal threats. He was booked at Berkeley Jail. OCC was notified.