This ABC News program spotlights the work of Doug Owsley, curator at the Smithsonian Institution's National Museum of Natural History, who is a keen interpreter of the silent yet expressive language of bones. Owsley and his biographer, Jeff Benedict, give examples of how he has used bioarchaeology and forensic anthropology to unravel mysteries ranging from identifying an exhumed Civil War cavalryman to determining the true cause of death of Branch...