For fifteen years, Shiya Ribowsky worked as a medicolegal investigator in New York Cityand#146;s medical examinerand#146;s officeand#151;the largest, most sophisticated organization of its kind in the world. Utilizing his background in medicine, he led the investigations of more than eight thousand individual deaths, becoming a key figure in some of New Yorkand#146;s most bizarre death cases and eventually taking charge of the largest forensic investigation ever attempted: identifying the dead in the aftermath of the September 11 tragedies.