If there were a God, he would have stopped me. That's the message discovered atop an elementary school in downtown Atlanta. Across the street are the bodies of fourteen innocent men and women, each quickly and cleanly murdered. The sniper Galileo is on the loose. He can end a human life from hundreds of yards away. And he is just getting started. Where others see puzzles, Esme Stuart sees patterns, and these outside-the-box inductive skills made her...