Six days after the 9/11 attacks , on September 17 , 2001 , Qatari authorities searched his person and apartment and arrested Shakir . During the search , authorities found contact information for multiple senior-level al-Qaeda members tied to the 1993 World Trade Center bombing , Operation Bojinka , the 1998 United States embassy bombings , and the attack on USS . Cole both on his body and in his apartment . Shakir ’s contacts included the brother of 9/11 architect Khalid Sheikh Mohammed and Mamdouh Mahmud Salim
1998 United States embassy bombings
1998 United States embassy bombings
Ahmed Hikmat Shakir