The role of legal aid yogyakarta related protection against violence suspects conducted by investigators in the investigation process in the special region of Yogyakarta. Julio Jacobus Ngilamele. The role of legal aid yogyakar tarelated protection against violence suspects conducted by investigators in the investigation process in the special region of Yogyakarta. This paper aims to determine what are factors that cause violence, and to determine the role of legal aid in protecting yogyakarta suspects who are victims of violence. This research focuses on the empirical data in the field can be directly from. Data obtained from the field indicate that violence is often done by tthe investigator could not control his emotions when dealing with suspects convoluted, and investigator have not mastered the ttechniques in investigating. Role do legal aid yogyakartain protecting suspects who have experienced violence are reported the investigator who commit violence to PROPAM.