a couple of letters that's the only proved one sign has that he has relatives somewhere in north korea and it would put them in danger to show their faces on television. his older brother and sign tells me fought for south korea and the korean war almost seven decades ago chunks of bach was taken prisoner by the north the family was told he had been killed then sixty years after seeing his brother for the last time chang sign received a letter from north korea from his brother delivered through a contact in china that was ten years ago it made chung sign happy and sad at the same time. when i saw the photo i could tell they were my brother but you can see how depressed he looks rather than actually i remember him as such a cheerful person. his brother passed away