A high school gym teacher mysteriously left town, without saying goodbye to anyone. He later sent letters to explain why. But a closer forensic look at those letters, and a microscopic piece of tissue, gave investigators an entirely different explanation for where he went and why.
Genres: Crime , Documentary
Keywords: coroner , criminal-investigation , evidence , forensic-science , forensic-technology , interview , law-enforcement , medical-examiner , reenactment , suspicion-of-murder , true-crime , whodunit