"Cold Case" Clay Bryant unravels a 20-year old cold-case murder. After a daring escape from certain death in a North Vietnamese prison, followed by years in a refugee camp in Thailand, Savang Phovixay and his family sought safety and a better life in the United States. That dream was shattered when their daughter Vieng disappeared in October 1987. In spite of substantial leads, she remained missing until 1989 when her skeletonized remains were...