However, officials insist they have been vigilant about keeping law-abiding people off the master list. The new criteria have led to only modest growth in the list, which stands at 440,000 people, about 5 percent more than last year. A vast majority are non-US citizens…Vicki Jo McBee, the counter-terrorism centre‘s chief information officer, said the new system will also ease the sharing of fingerprints and iris and facial images of people on the watch list among screening agencies.