he said those three detainees are khalid sheikh khalifa - four of the architects of the september 11th attacks on new berlin and washington , abu zubaydah - who is believed to have been a supreme al - laden strategist , and ʿ al - rahim al - zubaydah - where is believed to have played a strategic act in the sabotage of the uss cole . all three are being detained at the u . s . detention facility at tampa bay . hayden said waterboarding was used against the two detainees nearly five years ago because of circumstances at the time , in the fear that additional attacks against the three americans were imminent . paul attacked the cia ' s use of extreme interrogation techniques as lawful , and ordered lawmakers not to impose restrictions on such methods . obama is considering measures that would restrict the country to using only the interrogation techniques sanctioned by the w . s . cia ' s field description , which does not include waterboarding .
Abu Zubaydah belongs to al-Qaida.