The United States accused Habib of having had knowledge of the 11 September 2001 attacks , training the hijackers , staying at an al-Qaeda safe house in Afghanistan , conducting surveillance , helping to transfer chemical weapons , and planning to hijack the aircraft used in the 11 September attacks . He confessed to many acts under torture . But , there was no evidence to support these claims
11 September 2001 attacks
September 11 attacks
Mamdouh Habib