In Uruguay, momentum has been gathering behind a campaign to annul the amnesty law, popularly known as the Ley de Caducidad, which prevents the prosecution of members of the armed forces accused of human rights abuses during the military dictatorship.
Now, the President and a majority of senators have declared that key articles of the law are incompatible with the constitution.
New Declarations Against Impunity in Uruguay (Upside Down World)
[Speaking of amnesty laws, for a different national context see also:
Amnesty and impunity in case of the Jesuits (Tim's El Salvador Blog)]