The Report of the National Commission on Terrorist Attacks Upon the United States, is the official report of the events leading up to the September 11, 2001 terrorist attacks. It was prepared by the National Commission on Terrorist Attacks Upon the United States The commission interviewed over 1,200 people in 10 countries and reviewed over two and a half million pages of documents, including some closely guarded classified national security documents. Before it was released by the commission, the final public report was screened for any potentially classified information and edited as necessary. A Factual Overview of the September 11 Border Story The September 11 Travel Operation a Chronology Terrorist Entry and Embedding Tactics, 1993-2001 The Redbook Terrorist Travel Tactics by Plot Al Qaeda's Organizational Structure for Travel and Travel Tactics Immigration and Border Security Evolve, 1993 to 2001 The Intelligence Community The State Department The Immigration and Naturalization Service Planning and Executing Entry for the 9/11 Plot The State Department The Immigration and Naturalization Service Finding a Fair Verdict Crisis Management and Response Post-September 11 The Intelligence Community The Department of State The Department of Justice Response at the Borders, 9/11-9/20, 2001 The Department of Homeland Security