Fifteen minutes after KLM Flight 685 took off from Amsterdam for Mexico City on April 8, Mexican authorities forwarded the names of all the passengers to the U.S. Department of Homeland Security. The reason: the flight was scheduled to pass through U.S. airspace. by the time the Boeing 747 had finished its three-hour crossing of the Atlantic, Homeland Security screeners were on high alert. The names of two Saudi passengers aboard the KLM flight had begun producing "hits" on the screening center's lists of 70,000 suspect foreigners. The two Saudis, the database reported, were brothers and pilots who had attended...