''TITLE ONE, CHAPTER I: Human Rights and Guarantees, Article 20''
B. Defendant's rights
III. Every arrested person has the right to be informed of the grounds of
arrest and of his rights at the moment of his arrest and while appearing
before the Public Prosecution Service or a judge. In the case of
organized crimes, the judicial authority can authorize to keep the
accuser’s name in secret.
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:
(j) The protection of victims and witnesses and the preservation of evidence;