He called up Tracey and sent her down one dataline while he trod carefully along another. He was risking sensor mode now, needing to check the databanks at the end of the passages for information on missing persons. There was, of course, a fair chance that what he was after would be much further along in the system, but it was a chance he had to take. It depended on how the system was organized. The worst case was that the sensitive entries had been deleted entirely from the missing persons file and relocated elsewhere in far more heavily defended databases. No matter. His analyze programs could detect any trace of a deletion from way back, and if that was how they’d arranged things, taking lessons from the Israelis, he’d know about it.