Last night, Dylann Roof walked into a Charleston church, sat for a moment, and then killed nine people. Roof’s crime cannot be divorced from the ideology of white supremacy which long animated his state nor from its potent symbol—the Confederate flag. Visitors to Charleston have long been treated to South Carolina’s attempt to clean its history and depict its secession as something other than a war to guarantee the enslavement of the majority of its residents. This notion is belied by any serious interrogation of the Civil War and the primary documents of its instigators. Yet the Confederate battle flag—the flag of Dylann Roof—still flies on the Capitol grounds in Columbia.