In this document, the US Ambassador to Brazil briefs the State Department in Washington on the case of a Brazilian national, Maria Regina Marcondes Pinto who was arrested by the Argentine authorities in Buenos Aires and handed over to the Chilean regime.

This is a report produced by the Washington Office on Latin America (WOLA) regarding the assassination of Uruguayan legislators Zelmar Michelini and Hector Gutierrez Ruiz. WOLA asserts that their abduction and assassination must have been instigated by the Uruguayan government and carried out by the Argentine government.

US Embassy in Buenos Aires briefs Secretary of State on deaths and disappearances of Chilean extremists and suspects the involvement of the Argentine government including cooperation with the Chilean government and with governments of Paraguay and Uruguay.

The US Ambassador to Argentina briefs the State Department on the two confirmed Chilean refugees killed in Argentina since January 1975, Sergio Montenegro Godoy and Victor Oliva.

The Secretary of State in Washington writes to the US Embassy in Argentina about concerns raised by the UN High Commissioner for Refugees (UNHCR) regarding the refoulment and assassination of Chilean refugees in Argentina and the mistreatment of UNHCR personnel on the ground.

The State Department in Washington warns the US Embassy in Buenos Aires that there are growing public concerns in the US among Congress, universities, and the media regarding the disappearances and violence in Argentina. According to the State Department, the recent murder of Uruguayan parliamentarians Zelmar Michelini and Héctor Gutiérrez Ruiz indicate that the situation, there, is spiralling out of control.

This telegram from the US Embassy in Buenos Aires to the State Department reports that the appearance of the bodies of Uruguayan legislators Zelmar Michelini and Hector Gutierrez Ruiz in Argentina has raised safety concerns among Uruguayan exiles in Argentina. These high-profile assassinations have led to increased criticism of the Argentine military regime in the press.

The US State Department writes to the US Embassy in Buenos Aires after the bodies of four Uruguayan nationals, including Zelmar Michelini and Héctor Gutiérrez Ruiz, were found in an abandoned car. The Uruguayans had been shot.

The US Embassy in Buenos Aires briefs the State Department on the arrest of renowned Uruguayan exiles, Zelmar Michelini and Hector Gutiérrez Ruiz, in Argentina.

The United States Mission to the United Nations in New York reports to the State Department that former Uruguayan legislators Zelmar Michelini and Hector Gutierrez Ruiz have been arrested in Argentina. The message highlights the 'symbolic significance' of Michelini within the exile community.