About Author
Steven A Koehler, MPh, PhD, is head of the Forensic Epidemiological Department at the Allegheny County Coroners Office in Pennsylvania. He teaches epidemiology at the University of Pittsburgh. <P> Cyril H. Wecht, MD, JD, is one of the leading forensic pathologists in the United States. He is the author of several cutting-edge forensic books, including "Grave Secrets" and the highly successful "Crime Scene Investigation," and has frequently appeared on television.
