CHAPTER THIRTEEN As Bill began to drive, following along behind Agent Sturman’s car, Riley sat staring out the passenger window. Even as she watched the reef slip behind them, she couldn’t get another image out of her head. That birthmark. The dark shape on the back of the victim’s hand and wrist kept flashing in her mind like an afterimage from a bright burst of light. She didn’t know why it nagged at her so. She said to Bill and Jenn, “Were either of you bothered by Ron Donovan’s birthmark?” Her colleagues both glanced at her with surprise. Jenn said, “No, why?” Riley shook her head. “I don’t know. It just concerns me somehow.” Bill scoffed slightly and said, “I can’t imagine why. It’s like the ME said, it doesn’t have anything to do with anything.” Jenn added, “It’s not like it