Medical examiner- a licensed physician who specializes in forensic pathology. when a death merits an autopsy, a medical examiner performs the autopsy and records the findings.coroner- a coroner is an elected official. in order to become a coroner, someone must typically be a resident of the region in which he or she works, and the candidate must also be of voting age. in some areas, the offices of sheriff and coroner are bundled, to conserve community resources. coroners collect decedents and lead investigations into cause of death, contracting physicians to perform the actual medical examination. in a way, a coroner advocates for the dead, ensuring that the case is handled respectfully and efficiently.pathologist- a doctor who assists in the diagnosis and treatment of disease by studying samples of body tissues and fluid applied to law.