PLEASANT HILL, Calif. (KGO) -- Concern is growing as the hours pass with no sighting of a missing 15-year-old girl with special needs from Pleasant Hill.
Jenna Graves was last seen at Alhambra High School in Martinez Thursday.
The teen has the mental function of a 10-to-12-year-old child.
She has a distinctive scar on her neck and tends to wear heavy makeup and dark clothes.
Police think she took a bus to the Concord BART station.