MOUNT AIRY, N.C. (AP) -- Police in North Carolina say two more suspects have been arrested in connection with the shooting deaths of four people in the town used as the model for Mayberry in "The Andy Griffith Show."

Mount Airy police say 56-year-old Kathy Young Barnette and her son, 34-year-old Gregory Brandon Holt, were arrested Tuesday in Patrick County, Va. Authorities said Barnette and Holt live in Claudeville, Va.

The suspects will be extradited to North Carolina, if needed, where they will face charges of accessory after the fact to murder.

Police didn't release any additional details.

Twenty-nine-year-old Marcos Chavez Gonzalez is charged with four counts of murder in the slayings in front of a TV store earlier this month. Gonzalez was arrested in Henry County, Va.

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