Dylann Roof, the white supremacist who was convicted of killing nine Black churchgoers in 2015, appealed his convictions and death sentence for the massacre on Wednesday. In a legal brief filed with the 4th U.S. Circuit of Appeals in Richmond, Virginia, and obtained by the Associated Press, Roof’s lawyers stated that there were many errors made by U.S. Circuit Court Judge Richard Gergel and prosecutors, calling Roof’s sentence “tainted.” In one argument, the lawyers said the judge should not have allowed Roof to represent himself during the penalty phase of his trial. The attorneys wrote in the brief that during the time of the penalty phase of Roof’s trial,...