"Surely we need to at least identify who they are?" I'd asked the Director the same thing once. "To what end?" she'd asked me, and now I asked Vanessa the same. "In case they're a problem," she said, which was pretty much what I'd said. The Director had slammed her fist on her desk hard enough to break her coffee cup. "And then what?" she'd asked. "We keep files on them? Or why not make it simple and require them to carry papers or perhaps sew a symbol onto their coats. A scarlet pentagram perhaps. Would that satisfy you?"