Austin Reed Sigg, a 17 year old, is the primary suspect in the abduction and murder of Jessica Ridgeway.
Westminster Police Chief Lee Birk said: "I'm pleased to announce that today I believe we have taken a significant step toward justice for Jessica. We have made an arrest in the Jessica ridgeway case. 17-year-old Austin Sigg is in our custody."
Part of 102nd Ave. in Westminster was cordoned off for a search while the announcement was being made.
An SUV is towed from Austin Sigg's family home in Westminster
Austin Reed Sigg as pictured in the Standley Lake High School yearbook.