Investigators say Walls disabled cars parked at restaurants, waited for the owners to try to start them and then offered his services as a mechanic. Police say Walls charged between $40 and $200 to get the vehicles running again.
He's charged with two counts of theft under $500, but police suspect there are other victims. They're urging anyone else who thinks they were scammed to call them.
Walls was held at the Washington County Jail where a jailer said there was no record of him yet having an attorney.
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