A female patron was walking along the foot path on the Pleasanton side of the station when she was approached by a male suspect who brandished a handgun and demanded the victim's purse. The suspect fled with the loss towards Stoneridge Mall. An area search was conducted, but the suspect was not located. Local police agencies were notified as well as Stoneridge security. The suspect was described as a White Male, approximately 20 years old, wearing a black ball cap with red writing, a black hoodie and blue jeans.