Diamond Mayo, 16, was reported missing from Chicopee, Massachusetts after being last seen on January 29, 2026. Family and law enforcement describe her as endangered and have registered the case with the National Center for Missing & Exploited Children.

Few specifics about Diamond’s disappearance have been released, which has hampered search efforts. Appeals to the public are ongoing and authorities are asking anyone who may have seen her or who has information to come forward. Community vigilance is being emphasized, and even small tips are being sought to generate leads.

If anyone in Chicopee or nearby communities saw Diamond around January 29, 2026, or has information that could help locate her, please contact local law enforcement.