Detectives said the man came into the Mechanics and Farmers Bank on E. Hargett Street just after 11 a.m. and demanded money.
After getting cash, the man went outside and got into a taxi. He told the driver to let him out near the State Capitol.
Anyone with information that might assist the investigation is asked to call Raleigh CrimeStoppers at (919) 834-HELP or to go to the CrimeStoppers Web site at www.raleighcrimestoppers.org for instructions on reporting a tip online or by text message. CrimeStoppers pays cash rewards for anonymous tips that help solve cases.