Nashville, Tennesse Police says that the former NFL star 36-year Steve McNair was killed by his girlfriend, 20-year old Sahel Kazemi, who was having debt problems. She even suspected him of seeing some other woman (other than his wife). Her family didn't seem to know of her financial problems but knew about his cheating on her.   Gunshot residue tests suggest Sahel Kazemi, 20, used both hands to fire the 9mm pistol recovered at the downtown Nashville condo where both she and McNair, 36, a quarterback who... Full Story