SPOKANE, Wash. (KLIX) – Police are searching for a missing 16-year-old girl who went missing Monday in Spokane, Wash. An Amber Alert went out shortly afterward.

Kiera Inman, a developmentally delayed teen, was reported by her grandmother to have left willingly on foot but says that she functions on a diminished capacity. She is believed to be in the company of 30-year-old Zachary Jones of Newport News, Va., who drives a 1997 blue 4-door Honda Acura with Virginia registration number VGD6867.

The extent of their relationship is unknown.

Inman, who is 5 feet 3 inches tall and weighs about 110 pounds with brown and hazel eyes, wears thick-rimmed glasses, a bright green cast on her right forearm, and has a scar on her abdomen. She was last seen wearing a gray hoodie and light blue jeans.

Jones is described as 5 feet 8 inches tall and 118 pounds with blond hair and blue eyes.

If you have any information about this case, call 911 or the Idaho State Police 509-456-2233.