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. More local videos here: https://bit.ly/2Pa0d1l Subscribe to NEXT: http://bit.ly/2eP1GwI Stay connected: 9NEWS Website: http://www.9news.com/ Facebook:   / ilike9news   Twitter:   / 9news   Instagram:   / 9newsdenver   Google+: https://plus.google.com/+9news/posts Snapchat: Denver9NEWS Pinterest:   / 9news   9NEWS (KUSA) is located in Denver, Colorado.