Missouri Revised Statutes Title XXXVIII. Crimes and Punishment; Peace Officers and Public Defenders § 565.005. Prior to trial for first degree murder, opposing counsels to furnish requested information, rules applied

1. At a reasonable time before the commencement of the first stage of any trial of murder in the first degree at which the death penalty is not waived, the state and defendant, upon request and without order of the court, shall serve counsel of the opposing party with:

2. The disclosures required in subsection 1 of this section are supplemental to those required by rules of the supreme court relating to a continuing duty to disclose information, the use of matters disclosed, matters not subject to disclosure, protective orders, and sanctions for failure to comply with an applicable discovery rule or order, all of which shall also apply to any disclosure required by this section.