I le taimi o le osofaiga, na filifilia ai e le Computer-Assisted Passenger Screening System (CAPPS Attack) mo le siakiina o atopau, ae na ia ulufale atu e aunoa ma se faalavelave. O le vaalele mai Portland na alu ese i le taimi ma taunuu i Boston i le 06:45. O isi hijackers e toatolu, Waleed al-Shehri, Wail al-Shehri, ma Satami al-Sami, na taunuu i le Portland International Jetport i le 05:41 Eastern Daylight Time i le aso 11 Setema, 2001. Na la o atu i luga o le Colgan Air Flight 5930, lea na fuafua e alu ese i le 06:00 mai Portland, Maine, ma lele atu i Boston. O le hijackers uma e toalua sa i ai tiketi muamua o le vasega ma se malaga fesootai i Los Angeles; na siakiina i ato e lua, e leai se tasi o Omari. Ina ua latou siakiina, na filifilia e le Computer-Assisted Passenger Screening System (CAPPS Attack) mo le siakiina o atopau faaopoopo, ae na ia ulufale e aunoa ma se faalavelave
Waleed al-Shehri