In October 2008 , Allen warned that Anwar al-Awlaki " targets US Muslims with radical online lectures encouraging terrorist attacks from his new home in Yemen . " Quoting Allen , Al-Awlaki responded in December 2008 : " I would challenge him to come up with just one such lecture where I encourage ' terrorist attacks ' " . The FBI later investigated ( but dismissed ) al-Awlaki 's connections to both the November 5 , 2009 Fort Hood shooting sole suspect , Nidal Malik Hasan , as well as to the Northwest Flight 253 bombing attempt in which he is believed to have played a part in the al-Qaeda operation , and trained and blessed the suspect
2009 Fort Hood shooting
2009 Fort Hood shooting
Charles E. Allen