Ron Stallworth (born June 18, 1953) is an American retired police officer who infiltrated the ranks of the Ku Klux Klan in Colorado Springs, Colorado, in the late 1970s. He was the first African-American detective in the Colorado Springs Police Department.In the 2018 film BlacKkKlansman, which is based on his experience infiltrating the Ku Klux Klan, Stallworth is portrayed by John David Washington.