SAN MARCOS — Authorities asked the public Wednesday for help in identifying a man who tried to rob a woman at an ATM in San Marcos last week. Around 8 a.m. May 4, the man approached the woman as she was trying to withdraw money at the Wells Fargo Bank on the corner of West San Marcos Boulevard and Via Vera Cruz, said San Diego County sheriff’s Detective David Arnold. Authorities said a man tried to rob a woman at an ATM in San Marcos last week. They released a photo of the suspect Wednesday. (San Diego County Crime Stoppers) The man had a bottle concealed in the right side of his jacket, which made it appear like he was holding a weapon, Arnold said. The man demanded money from the woman, but she was able to drive away unharmed.