Authorities released surveillance of the suspect, who allegedly stole $2,200 from a Bank of America branch on Hamilton Avenue around 1 p.m. Monday.
Police say the note he gave the teller said he had a gun, although he never showed one.
The suspect is described as standing around 5-foot-8 and weighing about 165 pounds.
Anyone with information on the robbery should call police at (609) 989-4170, or the Confidential Tip Line at (609) 989-3663.
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