A man walked out of the Wells Fargo Bank branch at 9996 Scripps Ranch Boulevard shortly after noon after handing a note to a teller, San Diego police investigators said.
The robber then ran out, Lasher said.
Police described the suspect as a white or Middle Eastern man in his mid-30s who was about 5-feet 7-inches tall and weighed around 180 pounds. He was wearing a gray hooded sweatshirt.
It was unknown how much money was stolen.