Karen C. Marquez Membreno is a 16-year-old Hispanic girl reported missing from Hyattsville, Maryland, with a listed missing date of September 9, 2025. Public notices describe her as female with black hair and brown eyes and identify her through the National Center for Missing & Exploited Children under NCMEC number 2061882 and NCIC number M628604368.

Notices say she may still be in Hyattsville or may have traveled to nearby Adelphi in Prince George’s County but do not provide details about what she was wearing, who last saw her, or where she last was seen. Anyone with information is asked to contact NCMEC’s 24-hour center at 1-800-843-5678 or the Prince George County Police Department at 301-352-1200.

Does anyone in Hyattsville or Adelphi remember seeing Karen around September 9, 2025, or have information that could help locate her?