SIOUX FALLS, S.D. (KELO)-- Rapid City Police are searching for 12 year old Douglas Kerl. Kerl was last seen wearing a black sweatshirt, black jeans, and white shoes. In a social media post, Rapid City Police said, Many locations have been checked for his whereabouts. Kerl was last seen Friday mornin g walking away from North [...] ...read more read less