Metro police are working to identify a man who robbed a cab driver at knifepoint last week. The victim reported to police he picked up the suspect in the 1300 block of Jones Avenue and drove him to the 2400 block of Buena Vista Pike in north Nashville last Wednesday. Before getting out of the vehicle, the cab driver reported the man held a knife to his neck and demanded his belongings. The suspect fled the scene on foot with the victim's wallet. The incident was captured by a camera installed inside the cab. Anyone with information on the incident is urged to contact Crime Stoppers at 74-CRIME.