A nurse investigator, often employed as a medical examiner nurse investigator, is a healthcare professional who combines nursing expertise with investigative skills to examine cases involving death, abuse, neglect, or injury. They work closely with law enforcement agencies, medical examiners, and legal professionals to determine the cause and manner of death, assess injuries, and gather critical evidence. These investigators may conduct scene visits, review medical records, interview witnesses, and analyze forensic data to provide comprehensive reports that aid in legal proceedings. Their role is vital in ensuring accurate death investigations, supporting justice, and contributing to public health and safety by identifying patterns of abuse or neglect and preventing future incidents.