FILE- Gravediggers fill the third communal mass grave at a cemetery in Saigon, Vietnam on Feb. 12, 1968. The remains of more than 700 people, believed killed during the 1968 Tet Offensive were laid to rest in Ho Chi Minh City on Wednesday, Oct. 14, 2026, nearly six decades later. This wartime photograph provided a crucial clue, helping researchers locate the mass graves. (AP Photo/Gautron, File)