Sheriff's deputies in Ventura County say the suspect entered the Rabobank on Arneill Road on Monday with a handgun.
Investigators say the suspect brandished the gun at bank employees before fleeing with an undisclosed amount of money.
The suspect is described as a white male, between 50 and 60 years old, approximately 5 feet 10 inches tall with a heavy build. He was seen wearing a white baseball-style hat, black jacket, black gloves, white shirt, white pants and black tennis shoes. He was carrying a black backpack.
If you have any information about this crime, you're urged to call Ventura County Crime Stoppers at (800) 222-TIPS of (800) 222-8477.