According to the FBI, the man walked into the Union Bank at 6010 El Cajon Blvd and handed a teller a demand note.
After reading the message, which indicated that he had a gun, the clerk handed over an undisclosed amount of cash. The robber then left the bank and ran away.
The robber is described as stocky African American man, roughly 6-foot-tall with braided hair. He was last seen wearing a tan jacket over a plaid shirt.
Anyone with information about the suspect is asked to call Crime Stoppers at (888) 580-8477.