throughout the country presenting Martin Luther King Jr. speeches in the name of Emmett Till. (9) Mamie Till-Mobley also served as chair and co-founder of the Emmett Till Justice Campaign, which had the dual mission of reopening the murder of Emmett Till for a reinvestigation and a passage into law of Federal legislation to ensure that other racially motivated murders during the civil rights era were investigated and, when possible, prosecuted. (10) The efforts of the Emmett Till Justice Campaign led to the successful joint investigation by the State of Mississippi, the Federal Bureau of Investigation, and the Department of Justice in 2004, the passage of the Emmett Till Unsolved Civil Rights Crime Act of 2007 ( Public Law 110–344