Mo. Rev. Stat. § 32.056

Except for uses permitted under 18 U.S.C. Section 2721(b)(1), the department of revenue shall not release the home address of or any information that identifies any vehicle owned or leased by any person who is an active or retired county, state or federal parole officer, federal pretrial officer, peace officer pursuant to section 590.010, person vested by Article V, Section 1 of the Missouri Constitution with the judicial power of the state, member of the federal judiciary, or a member of such person's immediate family contained in the department's motor vehicle or driver registration records, based on a specific request for such information from any person. Any such person may notify the department of his or her status and the department shall protect the confidentiality of the home address and vehicle records on such a person and his or her immediate family as required by this section. This section shall not prohibit the department from releasing information on a motor registration list pursuant to section 32.055 or from releasing information on any officer who holds a class A, B or C commercial driver's license pursuant to the Motor Carrier Safety Improvement Act of 1999, as amended, 49 U.S.C. 31309.