Demon's Dance. The Lizzie Grace Series, #4

After dealing with human hunters killing werewolves for their pelts and a heretic witch determined to claim the wild magic for his own, the last thing either Lizzie Grace or Belle Kent need is a new evil burning into town. When Lizzie's asked to find a missing woman, she's well aware death awaits. What she doesn't expect to find is a very human pile of skin next the woman's body. Nor does she expect to be called to a murder scene that has the classic hallmarks of a vampire attack.
except the bite marks don't match any recorded vampire bite. As the body count grows, Lizzie, Belle, and Aiden struggle to find-and stop-whoever or whatever is behind the atrocities. But there's an even greater danger on the horizon. The newly appointed reservation witch has arrived. and it's someone Lizzie knows