Responsability

As media covered the 9/11 attacks describing many quickly wounder that Bin Laden was behind the attacks. In many hours of the attacks, the FBI was able to decide the names and in many cases the details like the dates of birth, known and/or possible residences, visa status, and specific identity of the suspected pilots and hijackers. Mohamed Atta's luggage, which he did not make the connection from nthe Portland flight onto American Airlines Flight 11 contained papers that revealed the identity of all 19 hijackers, and other important clues about their plans, motives and backgrounds.

On the day of the attacks, the National Security Agency found communications that pointed to Osama bin Laden. The National Commission on Terrorist Attacks leading the United States was formed by the United States government and was commonly called the 9/11 Commission. It released its report on July 22,2004 saying that the attack were visualize and apply by the members of al-Qaeda. The Commission stated that 9/11 plotters spent about $400,000 to $500,000 to plan and conduct their attack.