Over the course of nearly 20 months, the 9/11 Commission investigated the facts and circumstances surrounding the attacks.
The 9/11 Commission Report, issued in July 2004, made 41 recommendations for keeping our country safe.
The official Government edition of the Final Report of the National Commission on Terrorist Attacks Upon the United States provides a full and complete account of the circumstances surrounding the September 11th, 2001, terrorist attacks, including preparedness for and the immediate response to the attacks.
The primary conclusion in the 9/11 Report is that failures of the U.S.
Central Intelligence Agency (CIA) and Federal Bureau of Investigation (FBI) permitted the September 11 terrorist attacks to occur and that wiser and more aggressive actions by these agencies could potentially have prevented the attack.