A post mortem examination or autopsy will be done to determine the cause of death following an unnatural death.
The autopsy is done at an Forensic Pathology Laboratory in the area where the death took place. The pathology medical practitioner will issue a death certificate and the body will be released for burial once the autopsy has been completed. This may take some time.
You can find more answers on the Forensic Pathology Service page on the Western Cape Provincial Government's website.
