Eighty years ago, on Aug. 7, 1930, Lawrence Beitler took what would become the most iconic photograph of lynching in America. Thomas Shipp and Abram Smith were lynched in the town center of Marion, Ind., for allegedly murdering a white factory worker, Claude Deeter, and raping his companion, Mary Ball. But the case was never solved. Lawrence Beitler/Bettmann/Corbis hide caption

itoggle caption Lawrence Beitler/Bettmann/Corbis

This picture of Willie McGee in jail -- date unknown -- was the one Bridgette McGee-Robinson found under her mother's mattress and spurred her quest to find the truth. Courtesy New York Public Library hide caption

itoggle caption Courtesy New York Public Library