1.   All of this could have been taken from the instructions that the FBI has said were given to the men who hijacked the four American airliners.

2.   But the general idea that Osama Bin Laden might attack American airliners had been public for months.

3.   Investigators also have said there is evidence that Yousef was plotting to blow up an American airliner in Asia.

4.   The tape quoted Murad as explaining how the conspirators planned to attack some American airliners.

5.   Yousef, Abdul Hakim Murad and Wali Khan Amin Shah are charged with a failed plot to bomb a dozen American airliners in Asia early last year.

6.   Yousef is on trial in federal court in Manhattan on charges of plotting to bomb a dozen American airliners.

7.   Philippine authorities said a plot to kill Pope John Paul II and bomb American airliners over the Pacific had also been foiled.

8.   Bush was informed early last August, as part of his daily intelligence briefing, that Islamic militants associated with Osama bin Laden might hijack American airliners.

9.   He also intensified a campaign against international terrorists after the discovery of an alleged plot by Islamic extremists to blow up American airliners over the Pacific.

10.   However, concern has mounted since discovery of an alleged plot by Islamic extremists to blow up an American airliner over the Pacific.