Michael Baden, M.D., was the chief medical examiner of New York City for more than twenty-five years. He is a forensic pathologist and currently codirector of the New York State Police Medico-Legal Investigation Unit. He is the host of the popular HBO series Autopsy and is the author of a previous book, Unnatural Death. He lives in New York City with his wife and three children Marion Roach is a writer whose work has appeared in The New York Times Magazine, Discover and American Health, among other publications. She lives with her family in upstate New YorkBaden, Michael is the author of 'Dead Reckoning The New Science of Catching Killers', published 2002 under ISBN 9780684852713 and ISBN 0684852713.