The store's monetary loss is minimal from the stolen items, but if the thief had knifed or shot the store employee after the employee violated store policy by physically confronting the person the store would be sued, the parents, friends and co-workers would be devastated.
As a businessman, I say let the crack-head punk have the $20.00 worth of goods, let the cops handle it. I do not want you hurt.
Shoplifting Costs U.S. Retailers $40.5 Billion Retailers Using More Integrated Security Technology