Senior administration officials also told ABC News Monday that the Northwest incident prompted the intelligence community to review the approximately 550,000 names in the Terrorist Identities Datamart Environment (TIDE), and the roughly 400,000 names in the Terrorist Screening Data Base (TSDB) and –"based on age and nationality criteria" extrapolated from the recent plot – identify dozens of people from those two lists and add them to the "Selectee List." Officials also said that a smaller number of names had been added to the "No-fly" list, and that a reexamination of the larger lists also lead to the revocation of five U.S. visas.
The Selectee List includes about 16,000 individuals who require more stringent screening before they are permitted to board an airplane. The No-fly list includes 4,000 individuals. Abdulmutallab had been on the TIDE list but not the TSDB list, the Selectee list or the No-fly list.