Commission Reports

After the terror attack, the United States Congress appointed The National Commission on Terrorist Attacks Upon the United States, better known as the “9/11 Commission”. The Commission was tasked to establish the events as they happened.

Twelve public hearings were held during the preparation of the main report, from March 31st 2003 to June 17th 2004.

The Commission produced two preliminary reports, on July 8th 2003 and September 23rd 2003. The final report was made public on July 22nd 2004.

In addition to the main report, two reports were also produced: One established the activities of the terrorists leading up to September 11th, while the second revealed how the attack was financed.

The Commission was dissolved on August 21st 2004. Afterwards, a large part of the Commission’s drafts have also been made public.

Final Report of the National Commission on Terrorist Attacks Upon the United States, Official Government Edition
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The report can also be found on WikiSource
The Commission made a point out of ensuring that the report was written so that most people would understand it. The report was thus also issued in graphic form, in a briefer version, to help those citizens who did not read or understand English well. The report in graphic form can be viewed here: .
National Commission on Terrorist Attacks Upon the United States, Archive
9/11 Commission Records, National Archives
Monograph on Terrorist Financing, Staff Report of the National Commission on Terrorist Attacks Upon the United States
9/11 and Terrorist Travel, Staff Report of the National Commission on Terrorist Attacks Upon the United States
Staff Statements Staff Statement No. 1: Entry of the 9/11 Hijackers into the United States Staff Statement No. 2: Three 9/11 Hijackers: Identification, Watchlisting, and Tracking Staff Statement No. 3: The Aviation Security System and the 9/11 Attacks Staff Statement No. 4: The Four Flights Staff Statement No. 5: Diplomacy Staff Statement No. 6: The Military Staff Statement No. 7: Intelligence Policy Staff Statement No. 8: National Policy Coordination Staff Statement No. 9: Law Enforcement, Counterterrorism, and Intelligence Collection in the United States Prior to 9/11 Staff Statement No. 10: Threats and Responses in 2001 Staff Statement No. 12: The Performance of the Intelligence Community Staff Statement No. 12: Reforming Law Enforcement, Counterterrorism, and Intelligence Collection in the United States Staff Statement No. 13: Emergency Preparedness and Response Staff Statement No. 14: Crisis Management Staff Statement No. 15: Overview of the Enemy Staff Statement No. 16: Outline of the 9/11 Plot Staff Statement No. 17: Improvising a Homeland Defense