CHAPTER III
Procedural principles

Article 15. Clarification of the truth.
The National Prosecutorial Unit for Justice and Peace established by this law shall investigate, through the prosecutor delegate for the case, with the support of the specialized judicial police group, the circumstances of time, manner, and place in which the criminal conduct was committed; the living conditions, social conditions, and family and individual situation of the indicted or accused person and his or her prior conduct; the judicial and police records; and the harm that he or she, individually or collectively, may have directly caused the victims, such as physical or psychological injuries, emotional suffering, financial loss or substantial infringement of fundamental rights.
With the collaboration of the demobilized persons, the judicial police shall investigate the whereabouts of persons kidnapped or disappeared, and shall report the results of such investigations to the next-of-kin in timely fashion.

Article 93
Other forms of cooperation
1. States Parties shall, in accordance with the provisions of this Part and under procedures of national law, comply with requests by the Court to provide the following assistance in relation to investigations or prosecutions:
(b) The taking of evidence, including testimony under oath, and the production of evidence, including expert opinions and reports necessary to the Court