Arrest warrants for more than 120 former militants and others issued Tuesday . Warrants for alleged human rights violations during rule of Augusto Pinochet . Pinochet dictatorship lasted from 1976 - 1990 . At least 51 of the warrants were in connection with a disinformation campaign in the 1970s known as Operation Colombo that historians say was aimed at hiding human rights abuses . Many people disappeared during Pinochet 's rule , say government reports .
Arrest warrants for more than 120 former militants and others issued Tuesday . Warrants for alleged human rights violations during rule of Augusto Pinochet . Pinochet dictatorship lasted from 1976 - 1990 . Many people disappeared during Pinochet 's rule , say government reports .