Almost immediately after the september ll attacks, suspicion centered on Osama bin Laden as the person responsible. As the leader of aterrorist organization known as al-Qaeda Arabic for "the camp, bin Laden had long advocated violence against the United States and its citizens. To kill Americans and their allies- civilians and military is an individual duty for every Muslim who can do it in any country in which it is possible to do it, Bin Laden declared in a published communique in 1998. As the heir to much of his father's fortune. Bin laden had access to hundreds of millions of dollars, and he had used the money to build an international terrorist network with cells in several countriesAlmost immediately after the September 11 attacks, suspicion centered on Osama bin Laden as the person responsible. As the leader of a terrorist organization known as al-Qaeda, Arabic for “the camp,” bin Laden had long advocated violence against the United States and its citizens. “To kill Americans and their allies – civilians and military – is an individual duty for every Muslim who can do it in any country in which it is possible to do it,” Bin Laden declared in a published communiquéin 1998. As the heir to much of his father’s fortune, Bin Laden had access to hundreds of millions of dollars, and he had used the money to build an international terrorist network with cells in several countries