National Commission on Terrorist Attacks Upon the United States (govinfo.library.unt.edu)
The National Commission on Terrorist Attacks Upon the United States (also known as the 9-11 Commission), an independent, bipartisan commission created by congressional legislation and the signature of President George W. Bush in late 2002, is chartered to prepare a full and complete account of the circumstances surrounding the September 11, 2001 terrorist attacks, including preparedness for and the immediate response to the attacks. The Commission is also mandated to provide recommendations designed to guard against future attacks.- 9/11 Commission Report (Wikipedia)
The 9/11 Commission Report, officially the Final Report of the National Commission on Terrorist Attacks Upon the United States, is the official report into the events leading up to the September 11, 2001 terrorist attacks. It was prepared by the 9/11 Commission, chaired by former New Jersey governor Thomas Kean, at the request of U.S. President George W. Bush and Congress.