Suffolk County police are looking for a man who robbed a Medford gas station at knifepoint in May.
The man entered the USA Gas Station at 2243 Route 112 about 12:52 a.m. on May 14 and demanded money, police said.
Suffolk County Crime Stoppers said it is offering a reward of up to $5,000 for information leading to an arrest.
Detectives asked anyone with information on the robbery to call Crime Stoppers at 800-220-8477. All calls will be kept confidential.