Navy SEAL O'Neill says he fired shots that killed Robert O'Neill . Osama bin Laden says he 's concerned he 'll face prosecution for publicly telling his story . He says value of sharing details with families of about 20 attack victims makes risk worthwhile .
Ex-Navy SEAL Robert O'Neill says he fired shots that killed Osama bin Laden . O'Neill says he 's concerned he 'll face prosecution for publicly telling his story . He says value of sharing details with families of 9/11 attack victims makes risk worthwhile .