What system is used to find information about missing persons?

The correct answer is NAMUS, which stands for the National Missing and Unidentified Persons System. NAMUS is a comprehensive online resource for law enforcement and the public to assist in the identification of missing persons and unidentified remains. It serves as a centralized database where information can be submitted and accessed, helping various agencies coordinate efforts to resolve cases of missing individuals.

While other options are relevant in the context of public safety and law enforcement, they serve different purposes. The National Crime Information Center (NCIC) is a broader database that contains information on various criminal activities and wanted persons but is not specifically aimed at missing persons. The Motor Vehicle Division (MVD) focuses on vehicle registrations and driving records, which does not pertain to missing persons. The AMBER Alert System is used to broadcast urgent alerts about abducted children but does not function as a comprehensive repository for all missing persons cases. Thus, NAMUS is the most relevant and effective system for finding information specifically about missing individuals.