"Lisa Bailey never considered a career working in death until she saw the FBI job posting for a forensic artist. The idea of using her artistic skill to help victims of crime was too compelling to pass up. Soon she was documenting crime scenes, photographing charred corpses, and digitally retouching the disembodied heads of suicide bombers. But it was facial approximation--sculpting a face from the remnants of an unidentified victim's skull--that...