Missouri Revised Statutes Title V. Military Affairs and Police § 43.401. Reports, information to be included, entry of data into computer systems--report to be maintained as record during investigation--removal of record, when

(1) A person may file a complaint of a missing person with a law enforcement agency having jurisdiction. The complaint shall include, but need not be limited to, the following information:

(2) A report of the complaint of a missing person shall be immediately entered into the Missouri uniform law enforcement system (MULES) and the National Crime Information Center (NCIC) system by the law enforcement agency receiving the complaint, and disseminated to other law enforcement agencies who may come in contact with or be involved in the investigation or location of a missing person;

(3) A law enforcement agency with which a complaint of a missing child has been filed shall prepare, as soon as practicable, a standard missing child report. The missing child report shall be maintained as a record by the reporting law enforcement agency during the course of an active investigation;

(4) Upon the location of a missing person, or the determination by the law enforcement agency of jurisdiction that the person is no longer missing, the law enforcement agency which reported the missing person shall immediately remove the record of the missing person from the MULES and NCIC files.