http://www.theepochtimes.com/n3/594243-muhammad-abdullah-hassan-aka-booker-sought-by-fbi-for-planning-ft-hood-inspired-jihad/
not certain is POI but found this ... http://www.ask.com/pictures?q=Muhammad+Abdullah+Hassan+aka+Booker&page=1&qid=995ECD82985A6E00F649A18FBB64D796&qsrc=8&o=0&l=dir