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 National Commission on Terrorist Attacks Upon the United States (also known as the “9/11 Commission” or the “Kean–Hamilton Commission”) at the request of US President George W. Bush and Congress and is available to the public for sale or free download. The commission was established on November 27, 2002 (442 days after the attack) and issued its final report on July 22, 2004. The report was originally scheduled for release on May 27, 2004, however Speaker of the House Dennis Hastert approved a 60-day extension through July 26. Findings The commission interviewed over approximately 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. The commission also relied heavily on the FBI's PENTTBOM investigation. Before it was released by the commission, the final public report was screened for any potentially classified information and edited as needed. After releasing the report, commission chair Thomas Kean declared that both Presidents Bill Clinton and George W. Bush were "not well served" by the FBI and CIA. In addition to identifying intelligence failures occurring before the attacks, the report provided evidence of the following: Airport security footage of the hijackers as they passed through airport security Excerpts from the United Airlines Flight 93 cockpit voice recording, which recorded the sounds of the hijackers in the cockpit and the passengers' attempts to regain control Eyewitness testimony of passengers as they described their own final moments to family members and authorities on airphones and cellphones from the cabins of doomed airliners The commission also concluded 15 of the 19 hijackers who carried out the attacks were from Saudi Arabia, but the commission "found no evidence that the Saudi government as an institution or senior Saudi officials individually funded the organization" to conspire in the attacks, or that it funded the attackers even though the report identifies that "Saudi Arabia has long been considered the primary source of al-Qaeda funding". Mohamed Atta, the leader of the attacks, was from Egypt. Two hijackers were from the United Arab Emirates, and one was from Lebanon. According to the commission, all 19 hijackers were members of