he read for us what he wrote in his diary after seeing the towers fall. >> don't you think we've been crying too, like you are now for years? do you think we felt no pain as you raped and plundered our lands and cities. what lands, what cities you ask? your arrogance is only compounded by your ignorance. you chose your side and we have chosen ours. ♪ >> he had become convinced that the world of islam was under constant and brutal attack from the west. muslims had to fight back. his chosen army was a radical group, the day before 9/11, he had landed in egypt to recruit for the group, which in some ways was a forerunner to isis. >> it's the first organization responsible for popularizing the notion of resurrecting the