1.   Many of those named are the suicide hijackers killed in the plane crashes and others are potential accomplices or associates of the men.

2.   Officials theorize that hijackers killed or removed the pilot who was secretly signaling from his seat as the plane neared New York.

3.   The Boston Herald, citing anonymous sources, reported that on one of the Boston flights hijackers killed attendants to lure the pilot to the back of the plane.

4.   Two male passengers who were also released told The Associated Press that the hijackers had killed two hostages with knives but that no guns had been fired.

5.   Bus hijacker kills two women.

6.   Hijackers killed thousands Tuesday when they crashed into the World Trade Center and the Pentagon, headquarters of the U.S. military.

7.   The four hijackers killed three passengers before they were killed by French commandos, who stormed the airliner at an airport outside Marseille in southern France.

8.   The four hijackers killed three passengers before they were killed by French commandos who stormed the airliner in Marseille.

9.   The hijackers killed three passengers -- an Algerian policeman, a Vietnamese national and a Frenchman -- while the jetliner stood on the tarmac in Algiers.

10.   The hijackers kill two passengers.