Early in the pandemic, Joo Park noticed a worrisome shift at the market he manages near downtown Washington: At least once a day, he'd spot someone slipping a package of meat, a bag of rice or other food into a shirt or under a jacket. Diapers, shampoo and laundry detergent began disappearing in bigger numbers, too.Since then, he said, thefts have more than doubled at Capitol Supermarket - even though he now stations more employees at the entrance, asks shoppers to leave backpacks up front and displays high-theft items like hand sanitizer and baking yeast in more conspicuous areas. Park...…Early in the pandemic, Joo Park noticed a worrisome shift at the market he manages near downtown Washington: At least once a day, he'd spot someone slipping a package of meat, a bag of rice or other food into a shirt or under a jacket. Diapers, shampoo and laundry detergent began disappearing in bigger numbers, too.Since then, he said, thefts have more than doubled at Capitol Supermarket - even though he now stations more employees at the entrance, asks shoppers to leave backpacks up front and displays high-theft items like hand sanitizer and baking yeast in more conspicuous areas. Park...WW…