Southern Cone Documentation Project

Featured Posting

Barack Obama throws flowers in the River Plate

‘Declassification Diplomacy’: Lessons Learned on The Argentina Declassification Project (ADP)

Washington D.C., September 22, 2021 - In an effort to advance a novel foreign policy tool known as “Declassification Diplomacy,” the National Security Archive today posted key…

Sep 22, 2021

Previous Postings

Coup leaders Admiral Massera and General Videla

Argentina’s Military Coup of 1976: What the U.S. Knew

Mar 23, 2021

Argentina’s House of Horrors

Jul 21, 2020

A Human Rights Hero: The Legacy of Franklin Allen (Tex) Harris (1938-2020)

Mar 10, 2020

The CIA's ‘Minerva’ Secret

Feb 11, 2020

Inside Argentina’s Killing Machine: U.S. Intelligence Documents Record Gruesome Human Rights Crimes of 1976-1983

May 30, 2019

Declassification Diplomacy: Trump Administration Turns Over Massive Collection of Intelligence Records on Human Rights and Argentina

Apr 12, 2019

Declassification Diplomacy: Trump Administration to Turn Over Trove of Declassified Records to Argentina on Human Rights Violations Committed During Military Dictatorship

Mar 24, 2019

Trump Continues U.S. Declassified Diplomacy with Argentina

Apr 27, 2017

Operation Condor: Condemned to Life!

Jan 17, 2017

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About this Project

Working with partners in Argentina, Uruguay, and Paraguay, the Southern Cone Documentation Project aims to support the effort for truth and justice and to address human rights violations committed by military regimes in the region in the 1970s and 1980s. Using U.S. declassified documents and records from regional secret services, project Director Carlos Osorio has introduced critical evidence in multiple judicial proceedings including trials featuring Operation Condor and Operation Mexico (both in Argentina), and against Uruguayan former President Juan Maria Bordaberry. The project has pushed successfully for the declassification of more than 8,000 US documents in the 1990s and early 2000’s in an effort to fill the historical gaps left by policy makers and to portray a more complete image of Latin American dictators and the nature of their U.S. partnerships. We are currently supporting the declassification of thousands of additional documents, announced by the Obama Administration in March 2016. With this evidence the Southern Cone Project will continue to assist victims of human rights abuses by exposing new information regarding repressive military regimes in South America and the complex role of U.S. policy.

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Project Director

Carlos Osorio, Director of the National Security Archive's Southern Cone Documentation Project, receiving a special award from the Argentine Embassy in Washington for his work in providing critical documentary evidence and testimony to numerous high-profile trials in Argentina aimed at uncovering and prosecuting human rights violations by the military junta from 1976-1983.