Adrian Police have issued an Endangered Missing Advisory for a 12-year-old girl.
Brianna Longardner was last seen on Thursday, May 3 leaving on foot from 653 S. Madison Street in Adrian, Michigan.
The 12-year-old was with her biological mother, Ryla Hubbard, who does not have legal custody.
Longardner is endanger of medical complications because she has not taken her prescription medicine since she was reported missing.
Police say the biological mother has an extensive criminal history and has threatened to take the child to an unknown location. A warrant for Parental Kidnapping is being sought through the prosecutor's office.
According to a release, Brianna was last seen wearing black leggings, a pink camouflage sweatshirt and a red shirt.
If you have any information, call Lt. Derek Helinski at (517) 264-4808.