SAN ANTONIO -- Police say they've arrested one of three men suspected of robbing a woman at gunpoint in a Walmart parking lot.
Louis Montoya, 30, was arrested over the weekend and charged with aggravated assault.
San Antonio police said surveillance video from the Walmart at Loop 1604 and US 281 shows Montoya and two other suspects robbing a woman as she sat in her car on Aug. 28.
The video also shows the woman throwing her wallet out of the car when she saw that the suspect had a gun.
Police said the suspect then picked up the wallet and drove away in a white Pontiac Bonneville with the license plate CHK014.
A tipster identified Montoya as the suspect after the surveillance video was aired on KENS 5. He is currently being held in the Bexar County Jail on a $75,000 bond.
Anyone with information on the other two suspects is asked call Crime Stoppers at (210) 224-STOP.