Investigators said she robbed a Wachovia bank in Laguna Niguel last month, then on Saturday, she went to the same bank but left when she saw a line of customers.
She also robbed a Wachovia branch in Laguna Woods.
The suspect is described as heavy set, in her 50s and about 5 feet, 11 inches tall.
Anyone with any information is asked to call the Orange County Sheriff's Department at (714) 628-7170.
