And, of course, it was completely ignored until 911.
"President Clinton, meeting with victims' families a week after the crash, launched a safety commission headed by Vice President Al Gore. Among its recommendations: improve screening at airports, require identification for all passengers and match bags to those on board. All would eventually be adopted.
But one recommendation went largely unnoticed and unheeded.
"The FBI and CIA should develop a system that would allow important intelligence information on known or suspected terrorists to be used in passenger profiling," the commission concluded.
The CIA and FBI, which often failed to share information with each other, subsequently did little or nothing to help the Federal Aviation Administration create an airport watch list for terrorists.
http://www.cnn.com/2006/US/07/12/twa.terrorism/index.html