Brazilian President Luiz Inácio Lula da Silva said Thursday his administration may open files on the military dictatorship that ruled the country from 1964 to 1985.
At least 350 people died or disappeared during the military regime.
President Lula said all issues surrounding the files will be handled with care and responsibility.
Releasing the files now would overturn a decree by former President Fernando Henrique Cardozo, who ordered all classified files from the military era to remain sealed for at least 50 years.
President Lula announced the move in the wake of renewed calls from lawmakers to open the files.