The Missing Persons DNA Program provides the following services related to missing and unidentified persons investigations: Autosomal STR testing, Y-STR (Y-chromosome) testing, and mitochondrial DNA testing. The Missing Persons DNA Program compares DNA from unidentified persons and unidentified human remains with DNA from personal articles belonging to missing persons and DNA from relatives of missing persons.

The Missing and Unidentified Persons Section (MUPS) also works closely with the Department of Justice Division of Law Enforcement’s Bureau of Forensic Services Missing Persons DNA Program (MPDP). The section also is involved with the Missing Persons DNA Database and emergency alert systems. The impressions are used to aid in locating and identifying missing children. The MCCH provides, free-of-charge, fingerprint cards to agencies for voluntary fingerprinting of children. The posters and bulletins are distributed to all California police and sheriff's departments, California Highway Patrol offices, district attorneys' offices, public primary and secondary schools, private primary schools, hospitals, state agencies, road side rest stops, other missing children clearinghouses nationwide and other parties determined appropriate by the Department of Justice. The MCCH publishes and distributes a monthly poster and quarterly bulletin featuring missing children and dependant adults throughout California.

The California MCCH may also be reached at (916) 210-3119 or by Email at MCCH works closely with the National Center for Missing and Exploited Children to aid in locating children who have been abducted and taken out of California or brought into California.

It relays this information to the appropriate law enforcement agencies. The California Missing Children Clearinghouse (MCCH) maintains a toll-free telephone hotline (1-800-222-FIND) 24-hours-a-day, seven-days-a-week to receive information and inquiries regarding missing children.

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