noun
coroner
An official who investigates deaths, especially those that are sudden, unexpected, or suspicious. In Japan, this role is often performed by a medical examiner or a judicial officer.
検死官は死因を特定するために解剖を行った。
The coroner performed an autopsy to determine the cause of death.
事件現場に検死官が到着した。
The coroner arrived at the crime scene.
監察医 is a medical examiner or inspector, often a physician who performs autopsies and determines cause of death, similar to a coroner but with a stronger medical connotation.
法医学者 is a forensic scientist or forensic pathologist, focusing on the scientific analysis of evidence, whereas 検死官 is specifically the official in charge of death investigations.
Compound of 検死 (kenshi, 'autopsy') + 官 (kan, 'official'). The variant 検視官 uses 検視 (kenshi, 'inspection') instead, reflecting the investigative aspect of the role.