George Stinney Jr. appears in an undated police booking photo provided by the South Carolina Department of Archives and History. A South Carolina judge vacated the conviction of the 14-year-old, who was executed in 1944, saying he didn't receive a fair trial. Landov hide caption

itoggle caption Landov

President Obama announces the creation of a policing task force Dec. 1 as Philadelphia Police Commissioner Charles Ramsey (left) and George Mason University criminology professor Laurie Robinson look on. Mandel Ngan/AFP/Getty Images hide caption

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As part of their annual remembrance, descendants of massacre survivors erected teepees at the historic site over the weekend of Dec. 13. Some were for public visitors, while others were used in closed ceremonies. Megan Verlee/Colorado Public Radio hide caption

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A still from the art film #Blackmendream. The film features nine men, turned away from the camera and talking about their hopes and fears. Courtesy artist hide caption

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Melissa W. Green, right, and her daughter Reshae Green holds up their signs at Freedom Plaza during the "Justice for All" march and rally on Pennsylvania Avenue in Washington on Saturday. Jose Luis Magana/AP hide caption

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Ollies Barbecue was a Birmingham, Ala., landmark where where white plumbers and electricians sat next to white doctors and bank presidents,” but in 1964, blacks weren't allowed to eat there. Courtesy Ollie McClung Jr. hide caption

itoggle caption Courtesy Ollie McClung Jr.