Terry Gross

Analyst for the National Security Archives, Kate Doyle. She directed the Guatemalan Documentation Project, which lead to the declassification of documents from the CIA, the State and Defense Departments on Guatemala. These documents were handed over to the commission and filled the gap left by Guatemalan military which claimed its files had been lost.

Political anthropologist Jennifer Schirmer. Beginning in 1986, she interviewed Guatemalan military officials of all different levels, getting them to talk about their participation in atrocities. Her new book based on that research is "The Guatemalan Military Project: A Violence called Democracy." (University of Pennsylvania Press)

Professor of international law Christian Tomuschat, headed the Historical Clarification Commission on Guatemala, a United Nations-supported truth commission on human rights abuses in Guatemala during that country's 36 year civil war. A peace treaty was signed in Guatemala in 1996. The report was issued last month. It finds that the U.S. agencies knew far more about atrocities committed by the Guatemalan Army and its death squads than the United States acknowledged.