Gulshair Shukrijumah Events (4) 2000-2001: Atta and Alshehhi Attend Florida Mosque Between March 16 and 20, 2003: Associate of 9/11 Hijackers Possibly Escapes US Spring 1996: Hani Hanjour Stays in Florida Early 2001: FBI Informant Prevented from Investigating 9/11 Hijacker Atta, Given Easier Cases Instead