The United States Park Police Criminal Investigations Branch is investigating a Critical Missing Juvenile.
The missing 15-year-old Jonnice Tamyah Miller, was last seen wearing a baseball style shirt with light blue almost white jeans with rips and holes in the jeans.
Miller was last seen in the area of the Martin Luther King Memorial, Independence Avenue and Swan Boat Parking around noon Saturday.
According to poilice, Miller suffers from Type 1 diabetes.
Police are asking people with information about her whereabouts to call 202-610-7500.