The story of New York City's first medical examiner, Charles Norris (1867-1935), and his chief toxicologist, Alexander Gettler (1883-1968), who pioneered the use of forensic science to explain violent and suspicious deaths. Included are remarks from renowned medical examiners Marcella Fierro and Michael Baden and author Deborah Blum ("The Poisoner's Handbook"). Oliver Platt narrates.