The author, Michael Jacobs, was employed for twenty-nine years as a deputy district attorney by the Orange County District Attorney's Office in California. He spent thirteen years in the Homicide Unit, which he supervised for three years. In 1996, his efforts led to the formation of the unsolved homicide project TRACKRS (Task Force Review Aimed at Catching Killers, Rapists, and Serial Offenders). A few years later, he initiated the Orange County Innocence Project by which state prison inmates, without the assistance of counsel, could petition the District Attorney's Office claiming innocence based upon DNA or other newly discovered physical evidence. Both projects received statewide and national acclaim. Mr. Jacobs retired from the District Attorney's Office in 2006, is currently engaged in a private civil law practice and is working on his next book about our criminal justice system.