Based on the governments' perception of threats, officially the targets were armed groups (such as the MIR, the Montoneros or the ERP, the Tupamaros, etc.), but the governments broadened their attacks against all kinds of political opponents, including their families and others, as reported by the Valech Commission. The Argentine "Dirty War", for example, which resulted in approximately 30,000 victims according to most estimates, kidnapped, tortured and killed many trade-unionists, relatives of activists, social activists such as founders of the Mothers of the Plaza de Mayo, nuns, university professors, etc.