CHAPTER FIVE For a long moment, Riley stood staring at the body on the tracks. She’d seen corpses mangled in all kinds of horrifying ways. Even so, this victim presented a uniquely shocking spectacle. The woman had been beheaded cleanly by the wheels of the train, almost as if by a guillotine’s blade. Riley was surprised that the woman’s headless body seemed unscathed by the train that had passed over it. The victim was bound tightly with duct tape, her hands and arms taped to her sides, and her ankles taped together. Clothed in what had been an attractive outfit, the body was twisted in a desperate, writhing position. Where her neck was severed, blood was spattered on the crushed stones, the wooden ties, and the rail. The head had been thrown some six or seven feet down the embankment a