According to Suffolk County Police, the cards were stolen from the shopping cart at the Commack ShopRite at 1 Garet Place on Tuesday, June 2.
Later that day, police said, those cards were used to make purchases at a Commack Target at 98 Veterans Memorial Highway, just a twelve-minute drive away.
Suffolk County Crime Stoppers is offering a cash reward for information that leads to the arrest of the credit card thief. Those with information can give tips by calling 1-800-220-TIPS, using the P3Tips mobile app or online.
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