Missouri statutes define what information may be released from a closed adoption record and under what circumstances. When the law allows, the Family Court provides a means of contact between an adult adoptee, birth parent(s) and adult sibling(s).
Adoption and Foster Care - Section 453.120 RSMo.
Records of adoption proceedings are not open to inspection except on order of the court - penalty for violation
Adoption and Foster Care - Section 453.121 RSMo.
Adoption records, disclosure procedure--registry of biological parents and adopted adults.