An update on the investigation of mass graves in Srebrenica. On July 8, a six-member forensic team, coordinated and sponsored by Physicians for Human Rights, began exhuming the graves. Terry Gross talks to Dr. William Haglund, who is in Bosnia. As the lead forensic anthropologist for PHR, he and the other members of his team are working to identify bodies. Haglund is the former Chief Medical Investigator for King County, Washington and an assistant professor of anthropology at the University of Washington.