The Washoe County Sheriff’s Office is asking for the public’s help identifying two women who tried to use stolen credit cards to buy items at two Reno stores. A woman had her purse stolen March 18th, from the Hidden Valley Dog Park. A short time later two women used the stolen cards to buy items at the Best Buy on South Virginia Street and the Apple Store in the Summit Mall, the sheriff’s office said. Detectives released surveillance photographs of the women.  A $500 reward is being offered for information leading to the arrest of the suspects.