Alice lay shivering on the tarmac as the security team spread out to surround her. Weapons hummed and clicked as they spun up or sucked power from battery packs. What had tagged her? Was it the retina scan? If so, that meant the NYPD MI had been compromised by Piggy Bank’s hacker crew. All the big talk about how analytical engines were foolproof and incapable of error was such bullshit.