The scene is a bloodbath: Jared and Carla Walker lie brutally bludgeoned and stabbed to death, along with their young son, while their teenage daughter barely clings to life. Detective Wade Jackson's boss believes a gang of carjackers has graduated to home invasion...and homicide. But there are other suspects in the mix: a bitter brother-in-law convinced the Walkers ripped him off big-time, a young heroin addict in forbidden love with the Walker's...