May 4, 2021 World Premiering at the Tribeca Festival, Un(re)solved Will Ultimately Include a Web Interactive, Podcast Mini-Series, Touring Augmented-Reality Installation, Broadcast Documentary, Educational Curriculum, and Events FRONTLINE, the acclaimed PBS investigative series based at public media producer GBH, today announced , a major initiative telling a story of lives cut short and examining a federal effort to investigate more than 150 cold case murders that date back to the civil rights era. Drawing on more than two years of reporting, thousands of documents, and dozens of first-hand interviews with family members, current and former FBI agents and Justice Department officials, and journalists, the multi-platform