Brazil's national truth commission on Wednesday delivered a damning report looking at the abuses committed during that country's military dictatorship, which lasted from 1964 to 1985.
The 2,000-page document details for the first time a history of arbitrary detention, torture, executions and disappearances.
Until now, Brazil has sought to bury its difficult past.
President Dilma Rousseff, who was herself tortured during Brazil's dictatorship period, broke down when she addressed the nation Wednesday. She said the report had fulfilled three important objectives.