Mo. Rev. Stat. § 23.180: Powers of committee.

The committee may:

(1) Subpoena and examine witnesses by subpoena issued under the hand of the speaker of the house or the president pro tem of the senate and may require the appearance of any person and the production of any paper or document in the same manner;

(2) Cause witnesses appearing before the committee or its staff to give testimony under oath;

(3) Require that testimony given or a record of the proceedings of any hearing be recorded by an official court reporter or other competent person, under oath, in writing or by electronic, magnetic, or mechanical sound or video recording devices. Any such transcript or record, when certified by the reporter or recorder, shall be prima facie a correct statement of the testimony or proceedings.