Along with Abu Walid al Masri , Saeed al-Masri and Saif al-Adel , al-Walid opposed the September 11 attacks two months prior to their execution . Under interrogation , Khalid Sheikh Mohammed said that al-Walid had opposed any large-scale attack against the United States and wrote bin Laden a stern letter warning against any such action , quoting the Quran
September 11 attacks
September 11 attacks
Mahfouz Ould al-Walid