2 Illinois men, 2 Missouri men charged with trafficking guns from St. Louis to Chicago

Robert Narup allegedly purchased firearms at gun shows and illegally sold them to Jerome Boykin in St. Louis. Boykin allegedly brought the guns to Chicago and sold them to Rogelio Mancera in exchange for marijuana. Mancera then allegedly resold the guns to Rodolfo Ortega, who in turn allegedly sold them to buyers on the streets of Chicago.