"Let me see the card," Gomi Boy said. It was in her parka, with her passport and her ticket home. She took it out and handed it to him. He opened a pocket on his fatigue pants and took out a small rectangular device that seemed to be held together with multiple layers of fraying silver tape. He swiped Chia's card along a slot and peered into a peephole reader like the one on a fax-beeper. "This is nontransferable and cannot be used to obtain cash. It is also very easy to trace."