The more Carla thought about it, the less certain she was that robbery had been the motive for this break-in. The intruders had overlooked just about every valuable in the place. Oh, sure, they’d taken all her simsense games and a few of her computer chips as well—the kind of thing kids usually went for. But these hadn’t been kids. They were professionals. They’d gotten past her voice recognition system—and it was a good one, not likely to be fooled even by a digital recording—as well as the motion detectors and sensor unit in the hallway. To get that far and not be detected, the intruders had to be good. And motivated.