In this special preview, Josh Mankiewicz introduces 'The Sing Sing Chronicles,' a documentary series that delves into wrongful convictions in New York City. The series, produced by Dan Slepian over two decades, investigates five homicide cases, uncovering unexpected truths about these convictions. Set to air on MSNBC on November 23rd and 24th, the documentary highlights the emotional journeys of detectives and the profound impact of unresolved cases on their lives.