An FBI informant knew that one of the 9/11 hijackers breached the terms of his visa by working illegally, according to a 9/11 Commission document released by the National Archives at the start of the year. The document, a memo on the interview of the informer, Abdussattar Shaikh, was found in the archives by History Commons contributor paxvector and posted to the History Commons site at Scribd.
