It was the kind of crime that strikes terror into the hearts of parents everywhere. A bright young couple were carjacked after a Saturday night date and murdered in the most brutal way imaginable. Christopher Newsom, 23, was tied up and raped, shot in the back of the head and then dragged to a railway track and set on fire. His girlfriend, 21-year-old University of Tennessee student Channon Christian’s fate was even more horrific. Her death came only after hours of torture, during which time she was raped and savaged with a broken chair leg. She was beaten in the...