Criminal Investigation Rights focuses on laws and regulations to discuss crime detection, identification of the accused, proof of delinquency, identification of the victim and determination of material and moral damage to him. Criminal investigation processes begin with a victim's complaint, the announcement of official and informal officials, information by legal and natural persons, victim supporters, or the detection of a crime by the police. The main challenge at this stage is the lack of complaints and the reporting of victim to the police and criminal justice institutions. Victimization examination and crime scene investigation are the main axis of the criminal investigation law. The testimony of intuition, testimonials, and expert reports are effective in discovering the truth and proving criminal misconduct, which is always part of the topic of criminal investigation rights. In the past, the law of criminal investigations focused on delinquent, victim studies have caused criminal investigations to pay attention to the role of the victim. This article has been written based on a victim support approach and a review of the issue in the field of victimology.The main topics discussed include the launch of criminal investigations and its challenges, the role of the victim in local examination and local investigation, and the role of the victim in the investigation of crime scenes.