Operation Condor was a coordinated campaign of transnational state terror run by the right-wing military dictatorships of South America from 1975 to 1983, with the tacit support of the United States. It was launched in late 1975 by the intelligence services of Argentina, Chile, Uruguay, Paraguay, Bolivia, and Brazil, with Ecuador and Peru joining later. Its formal purpose was to “track, kidnap, and eliminate” the political opponents of the participating regimes across national borders; its actual practice was the torture and murder of several thousand leftists, dissidents, and exiles.
The operation grew out of two earlier phases of repression. The first was the 1973 Chilean coup of September 11, in which Augusto Pinochet’s army, with CIA encouragement, overthrew Salvador Allende and killed several thousand Chileans in the weeks that followed. The second was the Argentine Dirty War of 1974–1983, in which the military junta that took power in March 1976 killed an estimated 10,000 to 30,000 Argentine citizens, many of them students, journalists, and trade unionists, in what the junta called the Proceso de Reorganización Nacional.
The formal founding of Condor took place in Santiago, Chile in November 1975 at a meeting organized by the Chilean DINA (Dirección de Inteligencia Nacional) under its director Manuel Contreras, with the participation of Argentine SIDE agents (led by Alberto Edwards), Paraguayan intelligence, and Brazilian and Uruguayan representatives. By 1976, the operation had three operational databases (“Terrorist Files” in Argentine, Brazilian, and Chilean intelligence) and a coordinated command structure. CIA officer Duane Clarridge, then deputy chief of the CIA’s Western Hemisphere Division, attended an early planning meeting; CIA Director George H. W. Bush was briefed periodically.
The operation ran a series of operations across the continent. The most notorious was the September 21, 1976 car-bombing in Washington, D.C. that killed Orlando Letelier, the former Chilean ambassador to the United States and a prominent critic of Pinochet, and his American colleague Ronni Moffitt. The bomb was planted by a DINA cell, with Cuban-exile and CIA-connected operatives. The murder, the first act of foreign state-sponsored terrorism in the U.S. capital, led to a congressional investigation and the eventual prosecution of three DINA agents in 1978. Other operations included the December 1977 Montevideo operation (the kidnapping and murder of several Argentine and Uruguayan exiles), the 1976 Buenos Aires operation (the killing of a dozen Uruguayan and Bolivian exiles), and the 1980 abduction of Argentine-Chilean activist Juan Montiglio in Buenos Aires.
The Argentine military’s SIDE ran the Automotores Orletti mechanic’s-garage in Buenos Aires as a detention center for foreign prisoners in 1976; an estimated 100 to 150 foreigners were interrogated and tortured there. The Argentine dictatorship also ran the “death flights” of 1976–1977, in which prisoners were drugged and dropped from aircraft into the Río de la Plata.
The death toll is conventionally estimated at 50,000 to 80,000 across all participating regimes, with the Argentine, Chilean, and Bolivian security forces the most active. Direct transnational operations (“Phase Three” of Condor) killed perhaps 400 to 500 people. The broader phase of state terror, in which Condor participated but did not control, killed tens of thousands more.
The United States played a complex role. The CIA provided intelligence-sharing arrangements and technical support; the U.S. Defense Department ran training programs for Latin American military officers at the School of the Americas in Panama; the State Department tolerated abuses. The 1976 Church Committee investigation revealed the scale of U.S. involvement, but no significant U.S. official was prosecuted. The pattern of complicity did not become central to U.S. policy debate until the 1990s, when declassified Argentine, Brazilian, and Chilean files — including the “Operation Condor Documentation” released by the Paraguayan government in 1992 — confirmed the operational details.
The political legacy is ongoing. Trials of Condor-era operatives have continued into the 2020s. In Italy, the Operation Condor Trial (2016–2024) convicted several Argentine and Bolivian officers in absentia. In Argentina, the Mega-Causa ESMA trial (2010–2016) convicted former officials of the ESMA naval-mechanics school used as a detention center. In Chile, the Letelier-Moffitt case produced the first U.S.–Chile bilateral judicial agreement on terrorism in 1990. The Paraguayan Archives of Terror, released in 1992, remain the single most important documentary source on the operation. For more on the proxy wars overview.