"BlacKkKlansman," Spike Lee's forthcoming movie about white supremacy that the director premiered Monday at the Cannes Film Festival, stems from a late-1970s investigation by a black detective with the Colorado Springs Police Department. Lee's latest film was greeted with a standing ovation at the festival. It's set for commercial release in August - on the first anniversary of the deadly violence at white-supremacist rallies in Charlottesville, Virginia, in which a counter-protester was run down by a car and killed. Read more on Colorado Springs Gazette