Forensic science is the science of conducting examinations and collecting physical evidence found at the crime scene and then presented in court. The role of a forensic expert in the judicial process, namely examining the crime scene. This usually occurs in large cases. A forensic expert only comes to the scene of the crime at the request of the authorities. This present study aims to find out the role of forensic science in uncovering the identity and causes of death of victims of murder, and to find out the obstacles arise and the efforts that can be made in the process of uncovering the crime of murder. This study revealed that the usual forensic stages include collection, protection, analysis and presentation. Forensic science in uncovering crimes is very necessary. This aims to minimize the occurrence of wrong sentences, wrong arrests, and assist the performance of law enforcers in determining the perpetrators of crimes. In every handling of a murder incident, both in the processing of the TKP (scene of the case) and in determining the TKP, it does not rule out the possibility that the investigator experiences difficulties or there is something that applies in processing the crime scene of a murder case. Keywords: forensic science, criminal act, murder DOI: 10.7176/JLPG/119-10 Publication date: March 31 st 2022