Ngô Đình Nhu
He, along with Captain Nguyễn Văn Nhung, executed President Ngô Đình Diệm and the President's confidant, his brother Ngô Đình Nhu after the latter were arrested at the end of an army coup. After the Fall of Saigon in 1975, Nghia spent at least a dozen years in various re-education camps. In 1992, he was allowed to emigrate to the United States under the Humanitarian Orderly Departure Program.