A quest to learn more about Denver's first black officer

Denver Police Department Sgt. Dean Christopherson is the president of the Denver Police Museum. Preserving his department's history led him to Isaac Brown, DPD's first black police officer. But no one knows much about him.
Published: 7:42 PM MST February 11, 2019
Updated: 4:13 PM MST February 21, 2019