Richardson earned his Bachelor of Science from Vanderbilt University and his Juris Doctor , with high honors , from the University of Chicago Law School , where he served as articles editor of the '' University of Chicago Law Review '' . After graduating from law school , Richardson served as a law clerk to Judge Richard Posner of the United States Court of Appeals for the Seventh Circuit and Chief Justice of the United States William Rehnquist . Richardson then worked for three years at Kellogg , Hansen , Todd , Figel & Frederick , where he handled complex civil litigation . In 2009 , he became an Assistant United States Attorney for the District of South Carolina , where he prosecuted criminal cases and was Deputy Criminal Chief before becoming a judge . Richardson notably prosecuted the mass murderer Dylann Roof for his actions during the Charleston church shooting
Charleston church shooting
Charleston church shooting
Julius N. Richardson