Then, above the engine's whine. Tiger heard a wet thump that sounded like a long knife whipping through a watermelon. For a moment frozen in time. Tiger saw the upper half of the cop’s torso suspended in the air, then it started to tumble while the bike went down in a skid. Sparks flew and Mike dove to the side as the bike careened down the alley, but by the time it reached Tiger, only a splash of blood on the seat remained of the rider.