Saifur Rahman Halimi was born in Afghanistan, and became a legal resident of the United States.Following the arrest of bombing suspect Najibullah Zazi, and his father Mohammed Wali Zazi, the Associated Press characterized Saifur Rahman Halimi as Gulbuddin Hekmatyar's "chief representative".In 1996, Halimi was an expert witness in a sexual abuse case.Mohammad Kargar, a man from Afghanistan who was living in Maine was tried for kissing his 18-month-old son's penis.