Which entity primarily investigates deaths that appear unnatural?

The primary responsibility for investigating deaths that appear unnatural falls to Medical Examiners. Medical Examiners are specially trained physicians who often hold a degree in forensic pathology and are responsible for determining the cause and manner of death in circumstances where foul play, accidents, or other external factors are suspected. They perform autopsies, collect forensic evidence, and work closely with law enforcement to ascertain the facts surrounding these deaths, ensuring that any legal implications are addressed appropriately.

Law enforcement agencies are involved in the investigation process, especially when there is a possibility of criminal activity, but their role is more aligned with the enforcement of laws and gathering evidence rather than medical analysis. The Fire Department and Emergency Medical Services primarily focus on emergency response and the immediate care of individuals in crisis situations. They may be present at the scene of a death, but they do not conduct investigations into the cause of the death itself. Therefore, the role of Medical Examiners is critical in cases of unnatural deaths, making them the correct entity for this particular responsibility.