Nguyen Van Nhung
Major Nguyễn Văn Nhung (1919 or 1920 – 31 January 1964) was an officer in the Army of the Republic of Vietnam. He was also a professional killer.
He joined the French Army in 1944. This was when Vietnam was still ruled by France. During the First Indochina War, he left the French Army and joined Vietnamese National Army, which was supported by France. After the Republic of Vietnam was formed, he became a soldier of the Army of the Republic of Vietnam. In November 1963, he killed President Ngo Dinh Diem and his brother.