Declassified 9/11 related President's Daily Brief products

Declassified President's Daily Brief documents reveal that U.S. intelligence agencies tracked Osama bin Laden and al-Qaeda's terrorist threats extensively from 1998 through 1999, including specific warnings about potential aircraft hijackings and attacks on U.S. soil. The 71 declassified briefings detail assessments of bin Laden's capabilities, his pursuit of weapons of mass destruction, his operational planning, and his continued threat to American interests worldwide during the years leading up to September 11, 2001.