WHITE HORSE, S.D. (KELO) — Cheyenne River Sioux Tribal authorities are asking for the public’s help searching for a missing woman.

Shawn LeBeau, who also goes by Lamb, was last seen in White Horse, South Dakota on September 17 LeBeau was driving a red four-door Chevy Cobalt.

Anyone with information on LeBeau’s whereabouts is asked to call local law enforcement or tribal police at 605-964-2155.