The Stonecutter — Scott Blade

Shane Lasher is a criminal attorney with a grave secret. He is a serial killer that only kills bad guys -- his own clients. Shane has spent his life hunting one very bad killer called the StoneCutter. The StoneCutter buries his victims alive and leaves them for dead. One year ago, he was captured and charged with murder. Shane defended him and got him acquitted. Then he killed the StoneCutter. Or so he thought, because his murders have started over again. Now, Shane must find this cold, sadistic killer before it's too late.