Decides that MONUC will also have the mandate, in close cooperation with the Congolese authorities, the United Nations country team and donors, to support the strengthening of democratic institutions and the rule of law in the Democratic Republic of the Congo and, to that end, to: (c) Assist in the promotion and protection of human rights, with particular attention to women, children and vulnerable persons, investigate human rights violations with a view to putting an end to impunity, assist in the development and implementation of a transitional justice strategy, and cooperate in national and international efforts to bring to justice perpetrators of grave violations of human rights and international humanitarian law;