The National Center for Missing & Exploited Children (NCMEC) is a non-profit organization in the United States dedicated to addressing issues related to missing and exploited children. Established in 1984, it provides resources, support, and information to families, law enforcement, and the public to help locate missing children and prevent child exploitation. NCMEC operates a 24-hour hotline and offers various services, including training for law enforcement and educational programs for communities. The organization also collaborates with other agencies and organizations to raise awareness about child safety and to advocate for policies that protect children from harm.