Mo. Rev. Stat. § 600.096: Reports, documents, statements, transcripts to be furnished to defender without fee.

An office of the state, or any department, division, agency or political subdivision thereof, including a prosecutor's office and a police department, shall furnish copies, upon request, of any reports, documents, statements or transcripts prepared by the state, or any department, division, agency or political subdivision thereof concerning a person represented by the state public defender system to the defender representing such person without charge.