HELENA — A Missing Endangered Person Advisory has been issued for a missing Helena girl.
The Helena Police Department is attempting to locate Cheyenne Bunker, 17.
Bunker is a white female who is 5'6" tall and weighs 163 pounds. She has hazel eyes and brown hair.
She was last seen on Monday when she left her home headed for the library.
The alert states that Bunker is "medication dependent and did not leave with her medication."
Bunker has a mental age of 6 to 8 years old with no concept of time.
She was last seen wearing a turquoise hat with a Montana logo, a thin grey long sleeve hoodie, blue jeans and white tennis shoes.
Anyone with information about Bunker is asked to contact the Helena Police Department at (406) 447-8461 or 911.