Death Comes to Dartmoor by Frances Powell

Kate Lambert is back, but this time as DCI for the Devon Constabulary, working alongside her handsome and mysterious partner Detective Sam Adams. A ghoulish murder of a young woman on Dartmoor has Kate and her team questioning the existence of the legendary beast of the moors. As more women fall, victim, Kate must determine whether they are dealing with a serial killer or something far more chilling.