History of Mozambique Oberlin College alumni Mozambican independence activists Assassinated Mozambican politicians Deaths by letter bomb People murdered in Tanzania Northwestern University alumni FRELIMO politicians Syracuse University faculty Mozambican anthropologists Mozambican expatriates in the United States Harvard University alumni 1960s murders in Tanzania 1969 crimes in Tanzania 1969 murders in Africa 20th-century anthropologists Mozambican expatriates in Tanzania Mozambican expatriates in South Africa Mozambican expatriates in Portugal