*Expired MSNBC Link but may still be on the web somewhere* "Knives Hint at Thwarted Hijacking" (Atlanta to Brussels and also a flight out of Boston)
FBI Probes 5th Flight for Hijackers, Plane Grounded on Day of Attack
Arrested Men's Shaved Bodies Drew Suspicion of the FBI (Plane which landed prematurely in St. Louis & men who were captured on an Amtrak train to Texas)