...,Atta was selected by a com- puterized prescreening system known as CAPPS (Computer Assisted Passen- ger Prescreening System), created to identify pas... ...ity. Like the check- points in Boston, it lacked closed-circuit television surveillance so there is no documentary evidence to indicate when the hijac... ...ary 1993 attack on the World Trade Center. The casing team also included a computer expert whose write-ups were reviewed by al Qaeda leaders. 83 The t... ...da leaders. 83 The team set up a makeshift laboratory for developing their surveillance photographs in an apartment in Nairobi where the various al Qa... ...perative, Khaled al Fawwaz, to serve as the on-site manager. The technical surveillance and communications equipment employed for these casing mission... ...d targets in Djibouti. 84 As early as January 1994, Bin Ladin received the surveillance reports, com- plete with diagrams prepared by the team’s compu... ... the surveillance reports, com- plete with diagrams prepared by the team’s computer specialist. He, his top mil- itary committee members—Banshiri and ... ...rt of prescreening called on the air carriers to implement an FAA-approved computerized algorithm (known as CAPPS, for Computer Assisted Passenger Pre... ...ening of their carry-on baggage as had been the case before the system was computerized in 1997. 55 This policy change also reflected the perception t...