Hayatullah Dawari is a former doctor in Philadelphia who treated American troops in his native Afghanistan while working with the American Red Cross, according to his lawyer. But in the eyes of the United States government, Dawari has been working with an anti-Western insurgent group in Afghanistan with ties to al Qaeda. According to court documents, Dawari has been in touch with HIG associates in Pakistan and in January was the intended recipient of a book sent from Pakistan containing a secret message glued between two pages.