Colorado

The black cop who infiltrated the KKK. Outlook. Audio, 00:08:59The black cop who infiltrated the KKK

Guns transformed into garden tools. Video, 00:00:59Guns transformed into garden tools

US city votes to ban assault-style rifles

Native Americans removed from college tour

Double amputee scales 2,700-step ascent

Double amputee conquers monster climb. Video, 00:01:01Double amputee conquers monster climb

Cat and dog travel buddies capture hearts

Colorado senator explains 'white privilege' Video, 00:01:33Colorado senator explains 'white privilege'

One mother, two school shootings

Armed teacher: 'I fear killing innocent child' Video, 00:01:39Armed teacher: 'I fear killing innocent child'

Consumer products 'affecting air quality'

Teacher held in 'assault' over US pledge

Three Colorado deputies killed this year

The moment a cop died in a hail of bullets. Video, 00:02:01The moment a cop died in a hail of bullets

Five police officers shot in Colorado

US court split in 'gay wedding cake' case

Colorado police start baby cuddle rota

Black US Air Force cadet behind race slurs

The neo-nazi reformed by a black probation officer. Victoria Derbyshire. Video, 00:12:26The neo-nazi reformed by a black probation officer

'Nonchalant' Walmart killer gunman held

Butterfly swarm glitters on Denver radar

Race slurs on US black cadets' dorm doors