After the 9/11 attacks on New York and Washington DC , he issued a fatwa calling on his followers to rejoice in the attacks and listed American " crimes " that justified the attacks " killing and displacing Muslims , aiding the Muslims ' enemies against them , spreading secularism , forcefully imposing blasphemy on peoples and states , and persecuting the mujahideen . " He was arrested in May 2003 in Madinah , Saudi-Arabia following the May 2003 suicide bombings of residential compounds in Riyadh that killed 34 people . According to Ain-al-Yaqeen he was one of three scholars who had issuing a fatwa ` that declared the killing of security personnel during confrontations " halal " or permissible . ` Two other scholars arrested were Nasser al-Fahd , and Ahmad Al-Khaledi
9/11 attacks
September 11 attacks
Ali al-Khudair