 One has since died due to his treatment by prison guards, while one has been released.The surviving three men should have been released by October 2009, but their whereabouts remains unknown.In 2004, a Lao Hmong refugee photographed and then smuggled video footage out of Laos of an alleged incident in which Lao government troops raped and murdered four young Hmong girls and one boy, then mutilated their bodies .