Missouri Revised Statutes Title XL. Additional Executive Departments § 631.170. Head of facility may request sheriff to return absent client, when

(1) The client is a minor whose admission was applied for by his parent or legal custodian, who has not requested the minor client's release;

(2) The client is a minor under jurisdiction of the juvenile court;

(3) The client has been declared legally incapacitated and his guardian has not requested his release;

(4) The client was committed to the department under chapter 552 or this chapter; or

(5) The client's condition is of such a nature that, for the protection of the client, or others, the head of the facility determines that the client's return to the facility is necessary as noted in the client's records, in which case civil detention procedures shall be initiated upon return to the facility.