Boston Police report a man inside the CEX store, 44 Winter St., followed a customer outside last night and, after brandishing a gun, grabbed the person's wallet out of his pants at Winter and Tremont.
Police radioed a description. A state trooper patrolling the Public Garden not long after spotted Eric Watson, 27, and detained him "with no incident."
Watson was scheduled for arraignment today on a charge of armed robbery. Police say they were unable to find the weapon. however.