A man connected to shoplifting incidents at three Napa supermarkets was arrested Saturday evening when a gun was found in his vehicle after a traffic stop, according to police.

Security workers at the Wal-Mart at 681 Lincoln Ave. called police at 5:16 p.m. to report that a man had stolen food from the store and then fled in a vehicle, according to Sgt. Todd Shulman. Ten minutes later, officers stopped a vehicle at the Silverado Trail and Soscol Avenue and arrested the occupant, 54-year-old Dewatts Cowart.

Wal-Mart employees identified Cowart, and a vehicle search revealed food items stolen from that store as well as Safeway and Raley's branches in Napa, Shulman said.

In addition, a loaded .22-caliber revolver was found beneath the driver seat of Cowart's vehicle, according to Shulman, who said the gun had been reported stolen in Rocklin east of Sacramento.

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Cowart, who has no listed address, was booked into the Napa County jail on suspicion of possessing a stolen gun as well as firearm possession by a felon, as well as misdemeanor shoplifting.