Mo. Rev. Stat. § 105.725: Confidentiality agreement, not to be required for claims paid.

Any person who obtains a claim or final judgment for a payment to be made out of the state legal expense fund shall not be offered or required to sign any confidentiality agreement stating that he or she will not discuss his or her claim or final judgment or stating that if he or she does discuss such claim or final judgment, he or she will waive any right to moneys from the state legal expense fund. If a confidentiality agreement is offered to a person in violation of this section and such agreement is signed, such signed agreement shall be unenforceable.