A female victim had her iPhone 4s snatched from her hand while on the Pittsburg train at 19th Street Station. The suspect was described as a Black male, 20's, wearing blue jeans, a blue sweatshirt, and a blue knit cap. The suspect approached the victim from behind, grabbed the phone and fled from the train at 19th Street Station. Responding officers were unable to locate the suspect in the area. The victim remained on the train and was contacted at Rockridge Station; however the victim stated that she could not identify the suspect. The victim was not injured. The victim's phone could not be tracked.