GREENFIELD — Police are warning ATM users to closely check for credit card skimmers before using an ATM. Skimmers are devices criminals use to get data from ATM cards they can use to steal identity.

The skimmers are much harder to detect than before, Greenfield police warn.

Chicago is seeing a huge influx of new skimmers, police say. If the ATM card sticks while in use, a skimmer is probably the reason why, police say.

Police advice calling authorities immediately. Greenfield police can be reached at 414-761-5301

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