On September 28, 2000, former Indiana State Trooper David Camm made a frantic call to his former colleagues in the state troopers office: He'd just walked into his garage, and found lying on the floor the bodies of his 35-year-old wife, Kim, and their two children, Brad and Jill, ages 7 and 5. This was the kind of crime that could tear the heart out of a community. The Camm's lived the American Dream. They had what seemed like a loving marriage, a...