Cecillia Mack, then 15, vanished from Milwaukee, Wisconsin on March 3, 2025. Authorities have not released specifics about the circumstances of her disappearance. At the time she went missing she was described as 5 feet, 6 inches tall, weighing 285 pounds, with black hair and brown eyes.

Investigators have indicated she may have remained in the Milwaukee area. The Milwaukee Police Department and the National Center for Missing & Exploited Children have both been involved and have repeatedly asked the public for leads.

Anyone who saw Cecillia, remembers her routine, or has information that might help should contact the Milwaukee Police Department or the National Center for Missing & Exploited Children.