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The chairman and vice chairman of the 9/11 Commission describe the committee's work in investigating the events leading up to the September 11, 2001 terrorist attacks on the United States.
Government policyGovernmental investigationsIntelligence serviceNational Commission on Terrorist Attacks upon the United StatesNational securitySeptember 11 Terrorist Attacks, 2001TerrorismTerrorism investigationUSAInnere SicherheitElfter SeptemberRegierung