The US knew move than three years before 9/11 that Osama bin Laden was thinking about attacking us with planes:
Democratic Underground: “Memo notes U.S. feared jet attack prior to 9/11
NBC: U.S. told Saudi Arabia bin Laden could strike with civilian plane
The U.S. government warned Saudi Arabia more than three years before the Sept. 11 attacks that Osama bin Laden might use civilian airplanes in terror attacks, according to a memo released Friday by the National Security Archive, NBC News reported.
The June 1998 note says bin Laden â€œmight take the course of least resistance and turn to a civilian (aircraft) target.â€?”