Operation Condor (Spanish: Operación Cóndor, also known as Plan Cóndor; Portuguese: Operação Condor) was a United States–backed campaign of political repression and state terror involving intelligence operations and assassination of opponents. It was officially and formally implemented in November 1975 by the right-wing dictatorships of the Southern Cone of South America.Due to its clandestine nature, the precise number of deaths directly attributable to Operation Condor is highly disputed. Some estimates are that at least 60,000 deaths can be attributed to Condor, roughly 30,000 of these in Argentina, and the Archives of Terror list 50,000 killed, 30,000 disappeared and 400,000 imprisoned. Additionally, American political scientist J. Patrice McSherry gives a figure of at least 402 killed in Condor operations which crossed national borders in a 2002 source, and mentions in a 2009 source that of those who "had gone into exile" and were "kidnapped, tortured and killed in allied countries or illegally transferred to...