Missouri Revised Statutes Title XXVI. Trade and Commerce § 411.295. Director may hold hearings, administer oaths, subpoena witnesses and evidence, and punish for contempt

The director shall have power in the conduct of any investigation or hearing authorized or held by him to examine, or cause to be examined, under oath, any person, and to examine, or cause to be examined, books and records of any warehouseman; to hear testimony and take proof material for his information in the discharge of his duties under this chapter; to administer or cause to be administered oaths; and for any such purposes to issue subpoenas, to require the attendance of witnesses and the production of books which shall be effective in any part of this state; and any circuit court may, by order duly entered, require the attendance of witnesses and the production of relevant books and records subpoenaed by the director, and the court may compel obedience to its order by proceedings for contempt.