in january 2001, awlaki moved on from san diego and became i am -- became imam at this virginia mosque. >> that is the different between right and wrong. >> within months two hijackers would follow their spiritual keeper. >> not michigan, not louisiana, not new orleans. they end up in falls church, virginia next to a mosque that the imam is awlaki. >> awlaki asked his followers to help these guys out with id's, driving them around. finding apartments. >> another secret of 9/11 is this man 28-year-old jordanian. he ran illegal driver's license scheme in new jersey, connecticut and virginia. and had apartments in all three states. >> an investigation lead came up from our virginia office, asking us to run down and low kate this individual. connected to motor vehicle driver's licenses addresses