The National Security Archive today posted key documents on Operation Condor, presented by its Southern Cone analyst, Carlos Osorio, at a historic trial in Buenos Aires of former military officers. During 10 hours on the witness stand recently, Osorio introduced one hundred documents into evidence for the court proceedings. His testimony was profiled on May 3 in a major feature article published in the Buenos Aires daily, Pagina 12.

Operation Condor was an infamous secret alliance between South American dictatorships in the mid and late 1970s a Southern Cone rendition and repression program-formed to track down and eliminate enemies of their military regimes. The Condor trial charges 25 high-ranking officers, originally including former Argentine presidents Jorge Videla (deceased) and Reynaldo Bignone (aged 87), with conspiracy to "kidnap, disappear, torture and kill" 171 opponents of the regimes that dominated the Southern Cone in the 1970s and 1980s. Among the victims were approximately 80 Uruguayans, 50 Argentines, 20 Chileans and a dozen others from Paraguay, Bolivia, Peru and Ecuador who were targeted by Condor operatives.

The tribunal requested Osorio's testimony, which took place over two days on March 6 and 7, 2015, and included presentation of an Excel data base of 900 documents drawn mostly from U.S. government sources and from the Archive of Terror in Paraguay. Of these, Osorio focused on 100 declassified records selected for the tribunal, which was presided over by Judge Oscar Amirante, president of Federal Tribunal No. 1.

The National Security Archive obtained the U.S. documents through the Freedom of Information Act (FOIA), primarily from the Central Intelligence Agency, Defense Intelligence Agency and the State Department. Other notable records originated from the Chilean former secret police, DINA.

"We have been working on Operation Condor for years," Osorio said, "sifting through archives in many continents and building a body of knowledge and a trove of documents."