When a 23-year-old ex-con named John Rojas was recently brought into the emergency room of New York's Hospital for Joint Diseases and Medical Center with three serious gunshot wounds, he seemed to be just another victim of street violence in crime-riddled Harlem. But by the time surgeons finished patching him up, they realized Rojas's case could well go into medical annals. One of the bullets had made an incredible 32-inch journey through his body; yet the man miraculously survived. The case was so extraordinary that its like has seldom been seen before.
Striking Rojas in the abdomen, the .45-cal. slug shattered the...