Police in Colorado have arrested a 17-year-old suspect in the kidnapping and murder of Jessica Ridgeway, they announced on Wednesday. Austin Reed Sigg was arrested on Tuesday night after his mother reportedly turned him in. Sigg will face two counts of first-degree murder and a second-degree kidnapping charge. Police also plan to charge him for the attempted abduction of an adult jogger on May 28. Sigg is reportedly a student at Arapahoe Community College and lives about a mile and a half away from where Ridgeway disappeared.