Alice pressed the three pieces back together, and they reformed the single brass block. She put it in her pants, then swung her legs out to dangle over the drop and looked up. The roof seemed the best way to get a feel for the surroundings, and there had been no aerial security on the way in. Like the interzone warehouse, it looked as if the whole camp relied upon human guards. In this digital age, biological was the last refuge for the paranoid.