Then there was the problem of identity. Falcon was willing to bet that, as far as the establishment was concerned, Nightwalker didn’t have one. Like Falcon himself, he probably was one of the SINless—an individual who had no System Identification Number, the official identity code by which the government, the medical system, and every other facet of society recognized its own. Had he taken Nightwalker to any hospital or to just about any licensed physician, the drek would have hit the fan as soon as the receptionist asked to see the runner’s cred-stick with his SIN stored in its bubble memory.