Report of the National Commission on Terrorist Attacks Upon the United States (9-11 Commission) describing research into the events of September 11, 2001. It contains the Commission's findings based on the thousands of documents and hundreds of interviews collected during the course of the investigations.

Official statement issued by the National Commission on Terrorist Attacks upon the United States describing preliminary findings regarding on the FBI's current capacity to detect and prevent terrorist attacks upon the United States.

Recording of a press conference held by the National Commission on Terrorist Attacks upon the United States to announce the release of the final report and discuss the findings of the commission.

Recording of the first public hearing held by the National Commission on Terrorist Attacks upon the United States on April 1, 2003 at the Alexander Hamilton U.S. Custom House in New York City. This hearing specifically addresses the topics of borders, money, and transportation; law enforcement, domestic intelligence, and homeland security; and immediate response to the attacks. This section includes testimony from Steven Brill on the subject of law enforcement, domestic intelligence, and homeland security.

Recording of the seventh public hearing held by the National Commission on Terrorist Attacks upon the United States on January 26-27 at the Hart Senate Office Building in Washington, D.C. This hearing specifically addresses the topics of border and aviation security. In addition, several staff statements from the Commission were delivered during the course of the proceedings. This section includes the first staff statement on the entry of the 9/11 hijackers into the United States and the first panel on the border security system prior to September 11, with testimony from Mary A. Ryan and Doris Meissner.

Recording of the seventh public hearing held by the National Commission on Terrorist Attacks upon the United States on January 26-27 at the Hart Senate Office Building in Washington, D.C. This hearing specifically addresses the topics of border and aviation security. In addition, several staff statements from the Commission were delivered during the course of the proceedings. This section includes the panel on an incident in Florida with testimony from Jose E. Mendelez-Perez.

Recording of the seventh public hearing held by the National Commission on Terrorist Attacks upon the United States on January 26-27 at the Hart Senate Office Building in Washington, D.C. This hearing specifically addresses the topics of border and aviation security. In addition, several staff statements from the Commission were delivered during the course of the proceedings. This section includes the staff statement on three 9/11 hijackers: identification, watchlisting, and tracking, in addition to the third panel on visas and watchlisting today, with testimony from Maura Harty, Russell E. Travers, and Donna A. Buccella.

Recording of the seventh public hearing held by the National Commission on Terrorist Attacks upon the United States on January 26-27 at the Hart Senate Office Building in Washington, D.C. This hearing specifically addresses the topics of border and aviation security. In addition, several staff statements from the Commission were delivered during the course of the proceedings. This section includes the fourth panel on the response to September 11 on the borders with testimony from James Ziglar, Robert C. Bonner, and Peter F. Verga.

Recording of the seventh public hearing held by the National Commission on Terrorist Attacks upon the United States on January 26-27 at the Hart Senate Office Building in Washington, D.C. This hearing specifically addresses the topics of border and aviation security. In addition, several staff statements from the Commission were delivered during the course of the proceedings. This section includes the staff statement on the aviation security system and the 9/11 attacks in addition to the fifth panel on aviation security on 9/11: the regulators with testimony from Jane F. Garvey, Cathal L. Flynn, and Claudio Manno.

Recording of the seventh public hearing held by the National Commission on Terrorist Attacks upon the United States on January 26-27 at the Hart Senate Office Building in Washington, D.C. This hearing specifically addresses the topics of border and aviation security. In addition, several staff statements from the Commission were delivered during the course of the proceedings. This section contains the fifth panel on aviation security on 9/11: the regulators with testimony from Jane F. Garvey, Cathal L. Flynn, and Claudio Manno.

Recording of the seventh public hearing held by the National Commission on Terrorist Attacks upon the United States on January 26-27 at the Hart Senate Office Building in Washington, D.C. This hearing specifically addresses the topics of border and aviation security. In addition, several staff statements from the Commission were delivered during the course of the proceedings. This section includes the sixth panel on aviation security on 9/11: the airlines, with testimony from Edmond L. Soliday, Andrew P. Studdert, Gerard J. Arpey, and Tim J. Ahern.

Recording of the seventh public hearing held by the National Commission on Terrorist Attacks upon the United States on January 26-27 at the Hart Senate Office Building in Washington, D.C. This hearing specifically addresses the topics of border and aviation security. In addition, several staff statements from the Commission were delivered during the course of the proceedings. This section includes the staff statement on the four flights in addition to the seventh panel on acts of courage in the sky with testimony from Nydia Gonzalez.

Recording of the seventh public hearing held by the National Commission on Terrorist Attacks upon the United States on January 26-27 at the Hart Senate Office Building in Washington, D.C. This hearing specifically addresses the topics of border and aviation security. In addition, several staff statements from the Commission were delivered during the course of the proceedings. This section includes the eighth panel on risk management after September 11, with testimony from James M. Loy.

Recording of the eighth public hearing held by the National Commission on Terrorist Attacks upon the United States on March 23, 2004 at the Hart Senate Office Building in Washington, D.C. The two-day hearing investigated the formulation and conduct of U.S. counterterrorism policy, with particular emphasis on the period from the August 1998 embassy bombings to September 11, 2001. In addition to witness testimony, four staff statements were delivered during the course of the proceedings. This section includes the staff statement on diplomacy, in addition to the panel on counterterrorism policy with testimony from Madeline K. Albright.

Recording of the eighth public hearing held by the National Commission on Terrorist Attacks upon the United States on March 23, 2004 at the Hart Senate Office Building in Washington, D.C. The two-day hearing investigated the formulation and conduct of U.S. counterterrorism policy, with particular emphasis on the period from the August 1998 embassy bombings to September 11, 2001. In addition to witness testimony, four staff statements were delivered during the course of the proceedings. This section continues the panel on counterterrorism policy with testimony from Colin L. Powell and Richard Armitage.

Recording of the eighth public hearing held by the National Commission on Terrorist Attacks upon the United States on March 23, 2004 at the Hart Senate Office Building in Washington, D.C. The two-day hearing investigated the formulation and conduct of U.S. counterterrorism policy, with particular emphasis on the period from the August 1998 embassy bombings to September 11, 2001. In addition to witness testimony, four staff statements were delivered during the course of the proceedings. This section continues the panel on counterterrorism policy with testimony from William S. Cohen.

Recording of the eighth public hearing held by the National Commission on Terrorist Attacks upon the United States on March 23, 2004 at the Hart Senate Office Building in Washington, D.C. The two-day hearing investigated the formulation and conduct of U.S. counterterrorism policy, with particular emphasis on the period from the August 1998 embassy bombings to September 11, 2001. In addition to witness testimony, four staff statements were delivered during the course of the proceedings. This section concludes the panel on counterterrorism policy with testimony from Donald H. Rumsfeld, Paul Wolfowitz, and Richard Myers.

Recording of the eighth public hearing held by the National Commission on Terrorist Attacks upon the United States on March 24, 2004 at the Hart Senate Office Building in Washington, D.C. The two-day hearing investigated the formulation and conduct of U.S. counterterrorism policy, with particular emphasis on the period from the August 1998 embassy bombings to September 11, 2001. In addition to witness testimony, four staff statements were delivered during the course of the proceedings. This section includes the staff statement on intelligence policy in addition to testimony from George J. Tenet on counterterrorism policy.

Recording of the eighth public hearing held by the National Commission on Terrorist Attacks upon the United States on March 24, 2004 at the Hart Senate Office Building in Washington, D.C. The two-day hearing investigated the formulation and conduct of U.S. counterterrorism policy, with particular emphasis on the period from the August 1998 embassy bombings to September 11, 2001. In addition to witness testimony, four staff statements were delivered during the course of the proceedings. This section includes the staff statement on national policy coordination in addition to testimony from Samuel R. Berger.

Recording of the eighth public hearing held by the National Commission on Terrorist Attacks upon the United States on March 24, 2004 at the Hart Senate Office Building in Washington, D.C. The two-day hearing investigated the formulation and conduct of U.S. counterterrorism policy, with particular emphasis on the period from the August 1998 embassy bombings to September 11, 2001. In addition to witness testimony, four staff statements were delivered during the course of the proceedings. This section includes testimony from Richard A. Clarke, former National Coordinator for Counterterrorism, National Security Council.

Recording of the eighth public hearing held by the National Commission on Terrorist Attacks upon the United States on March 24, 2004 at the Hart Senate Office Building in Washington, D.C. The two-day hearing investigated the formulation and conduct of U.S. counterterrorism policy, with particular emphasis on the period from the August 1998 embassy bombings to September 11, 2001. In addition to witness testimony, four staff statements were delivered during the course of the proceedings This section includes the testimony from Richard L. Armitage, and concludes the hearing.

Recording of the ninth public hearing held by the National Commission on Terrorist Attacks upon the United States on April 8, 2004 at the Hart Senate Office Building in Washington, D.C. The Commission heard testimony from Dr. Condoleezza Rice, Assistant to the President for National Security Affairs on the formulation and conduct of U.S. counterterrorism policy.

Recording of the tenth public hearing held by the National Commission on Terrorist Attacks upon the United States on April 13, 2004 in Washington, D.C. The two-day hearing examined the performance of law enforcement and the Intelligence Community prior to September 11 and evaluated post-9/11 reforms in these areas. In addition to witness testimony, four staff statements were delivered during the course of the proceedings. This section includes the opening statement by Chairman Kean, in addition to the staff statement on law enforcement, counterterrorism, and intelligence collection in the United States prior to 9/11, and the first panel with testimony from Louis J. Freeh.

Recording of the tenth public hearing held by the National Commission on Terrorist Attacks upon the United States on April 13, 2004 in Washington, D.C. The two-day hearing examined the performance of law enforcement and the Intelligence Community prior to September 11 and evaluated post-9/11 reforms in these areas. In addition to witness testimony, four staff statements were delivered during the course of the proceedings.This section includes the second panel of the hearing with testimony from former Attorney General, Janet Reno.