1: Walmart told CNN 's Miguel Marquez that the store clerk acted appropriately , even using a code to alert security to call police . 2: Valencia took the gun and ammo and fled into a nearby business park where he encountered an officer in a slow-moving patrol car . 3: He shoplifted the gun and ammo from a Walmart , where a saleswoman who showed him the weapon alerted security .
1: police 2: an officer in a slow-moving patrol car 3: security