Missouri Revised Statutes Title VI. County, Township and Political Subdivision Government § 58.380. Coroner to issue a writ of attachment for witnesses, when

Whenever it shall appear to the satisfaction of the coroner that any person, duly subpoenaed to appear before him at an inquest, shall have failed, without just cause, to attend as a witness in conformity to the command of such subpoena, and it appears to the satisfaction of the coroner that the testimony of such witness is material, the coroner shall have power to issue an attachment to compel the attendance of such witness at such inquest.