Isaac Hopper of kidnapping accounts. Notable illegal slave trader kidnappers and illegal slave breeders Patty Cannon and Cannon-Johnson Gang John Hart Crenshaw John A. Murrell Notable victims Solomon Northup Cornelius Sinclair Gallery See also Black Codes (United States) Fugitive Slave Act of 1850 Judicial aspects of race in the United States Jim Crow laws Delphine LaLaurie Solomon Northup Racial segregation in the United States Slave catcher Slave codes Sundown town Slavery in the United States Underground Railroad References Berry, Daina Ramey. The Price for Their Pound of Flesh: The Value of the Enslaved from Womb to Grave in the Building of a Nation. Boston, MA: Beacon Press, 2017. Blackmore, Jacqueline. African American and Race Relations in Gallatin County, Illinois: from the 18th century to 1870. Ann Arbor: Proquest, 1996. Campbell, Stanley W. The Slave Catchers: Enforcement of the Fugitive Slave Law, 1850–1860. Chapel Hill, NC: University of North Carolina Press Books, 2012. Collins, Winfield Hazlitt. The domestic slave trade of the southern states. Broadway Publishing Company, 1904. Diggins, Milt. Stealing Freedom Along the Mason–Dixon Line: Thomas McCreary, the Notorious Slave Catcher from Maryland. Baltimore, MD: Johns Hopkins University Press, 2015. Fiske, David. Solomon Northup's Kindred: The Kidnapping of Free Citizens before the Civil War: The Kidnapping of Free Citizens before the Civil War. Santa Barbara, CA: ABC-CLIO, 2016. Fiske, David, Clifford W Brown Jr., and Rachel Seligman. Solomon Northup: The Complete Story of the Author of Twelve Years A Slave: The Complete Story of the Author of Twelve Years a Slave. Santa Barbara, CA: ABC-CLIO, 2013 Giles, Ted. Patty Cannon: Woman of Mystery. Easton Publishing Company, 1965. Harrold, Stanley. Border War: Fighting over Slavery before the Civil War. Chapel Hill, NC: University of North Carolina Press, 2010. Maddox, Lucy. The Parker Sisters: A Border Kidnapping. Philadelphia, PA: Temple University Press, 2016. Morgan, Michael. Delmarva's Patty Cannon: The Devil on the Nanticoke. Charleston, SC: History Press, 2015. Musgrave, Jon. Slaves, Salt, Sex and Mr. Crenshaw: The Real Story of the Old Slave House and America's Reverse Underground R. R. IllinoisHistory.com, 2004. Musgrave, Jon. "Black Kidnappings in the Wabash and Ohio Valleys of Illinois". Research Paper presented at Dr. John Y. Simon's Seminar in Illinois History at Southern Illinois University at Carbondale, April–May 1997, Carbondale, IL. Musgrave, Jon. Potts Hill Gang, Sturdivant Gang, and Ford's Ferry Gang Rogue's Gallery, Hardin County in IllinoisGenWeb. Springfield, IL: The Illinois Gen Web Project, 2018. Penick,