the police, sheriff, law enforcement officer or official, or any person having knowledge of such a death shall immediately notify the office of the medical examiner of the known facts concerning the time, place, manner and circumstances of the death. Immediately upon receipt of notification, the medical examiner or his designated assistant shall take charge of the dead body and fully investigate the essential facts concerning the medical causes of death. He may take the names and addresses of witnesses to the death and shall file this information in his office. The medical examiner or his designated assistant shall take possession of all property of value found on the body, making exact inventory thereof on his report and shall direct the return of such property to the person entitled to its custody or possession. The medical examiner or his designated assistant examiner shall take possession of any object or article which, in his opinion, may be useful in establishing the cause of death, and deliver it to the prosecuting attorney of the county.
§ 58.720, RSMo