In the context of internal conflict in Colombia despite the implementation of the law of justice and peace, whose main objective was the recognition of the rights of victims to truth, justice, reparation and guarantees of property not repetition in the context of transitional justice, it is possible to observe failures regarding the adaptation of domestic legislation with the measures implemented by the International Criminal Court, specifically in relation to crimes against humanity and war crimes. These faults are evident here with the case of the slaughter of Trujillo showing on one side the serious difficulties in treating the State has both the victims and the victimizers; and on the other hand our analysis is an illustration of how impacted the implementation of international mechanisms such as the Inter-American Commission on Human Rights and the International Criminal Court, for the development of domestic legislation in the context of war.