@Cyber Libertybin Laden had been kicked out of Saudi Arabia by his family who were close to the rulers. His father was in charge of constructing buildings for the royal family. bin Laden did not like the Americans having an air base and caused so much trouble, the family sent him away from the country. He was not living in Saudi Arabia when he put the 911 plan together. He and his 911 attackers were living in Afghanistan after they left Peshawar, Pakistan, when the Russians left Afghanistan. Before the Taliban same together as the Taliban, they lived in Peshawar along with bin Laden where he had a house. Son film maker went there and made a documentary film about the group before they left there for Afghanistan.
Saudi Arabia had nothing to do with bin Laden's plan.