Present in our punitive procedural reality a problem that harms one of the procedural subjects such as the responsible third party, it is the moment of their incorporation into the process, because each judiciary makes a different interpretation of article 111 of the Criminal Procedure Code , it is specified that this must be before the culmination of the stage of the preparatory investigation, at the beginning of the preparatory investigation, identified the active subject of the crime, raising questions, because there is a violation of fundamental rights especially respecting the right to defense , therefore, the problem of our investigation is what are the inclusion criteria of the civil third party responsible for the protection of due process, from the perspective of the criminal judiciary of ICA 2019 ?. The objective of our investigation follows from this problem: Determine what ar...