Those labeled F1 were considered low-risk , and F4s were those seen as most dangerous to the dictatorship . 1,500 files from the Argentine archives were uncovered . The files included photographs of some cultural icons . Human rights groups say there is still a lot of work to do .
1,500 files from the Argentine archives were uncovered . The files included photographs of some cultural icons . Human rights groups say there is still a lot of work to do .