KKK: The Fight for White Supremacy?

America's most infamous supremacist group, the Ku Klux Klan, claim to be in the midst of a revival, with a surge in membership and an increase in cross burnings across the Deep South. In this distressing BBC documentary, Dan Murdoch meets the leaders of the Loyal White Knights, who claim to be the largest Klan chapter. As tensions grow and violence erupts, why is this group growing in popularity?