The slide down to the second floor took only a moment or two. Reaching the bottom, she clambered to her feet and headed toward an employees-only exit she’d noted earlier. A winking red light showed that the door’s magkey was still functioning. It was a simple slide-through pad, operated by its own battery system. Carla aligned the magnetic strip on the employee badge, then slid it through the slot. When the light flashed green, she yanked the door open.