Locked Up: The prison labor that built business empires


              FILE - Andrew Carnegie, shown in the center, in front of Rays Hill Tunnel in 1885 which was being dug in Pennsylvania for a railroad he and others were building along the route the Pennsylvania Turnpike now follows. (AP Photo, File)
            
              FILE - Andrew Carnegie, founder of the Carnegie Steel Company, in his study in New York. (AP Photo, File)
            
              FILE - J.P. Morgan, noted financier, who is rarely photographed, is pictured arriving at his office in London, Oct. 1932. (AP Photo, File)
            
              Photograph shows two white men overseeing African American men hammering boulders as others walk with wheelbarrows in a shallow pit phosphate mine, Dunnellon, Florida, 1890. (Library of Congress via AP)
            
              FILE - Steel workers storm the Carnegie Steel Company during the Homestead Strike of 1892 in Homestead, PA. The dispute between the Amalgamated Association of Iron and Steel Works and the steel company was one of the deadliest labor disputes in U.S. history resulting in the death of 10 men. (AP Photo, File)
            
              An undated old photograph of the Lone Rock Stockade is shown, May, 28, 2022, in Tracy City, Tenn. The Lone Rock stockage operated for more than 25 years and used prison labor known as convict leasing. The prisoners lived in cramped, unsanitary conditions and risked their lives every day in the iron-making process. (AP Photo/Brynn Anderson)
            
              Men convicted of a crime and leased to harvest timber in Florida, 1915. (Library of Congress via AP)
            
              Photograph shows two white men overseeing African American men hammering boulders as others walk with wheelbarrows in a shallow pit phosphate mine, Dunnellon, Florida, 1890. (Library of Congress via AP)