Gig Harbor, Washington, a quiet Tacoma suburb, knew little of tragedy and scandal-until April 26, 2003. On that day, David Brame, distraught over his impending divorce, shot his wife to death in a busy public parking lot. Then, with the couple's two children only feet away, he turned the gun on himself. It was a horrific event, but Tacoma residents had special reason to be shocked. Brame was, after all, the chief of police. But as the investigation...