Saving Grace — David Jones

Book 3 in the Guardians of Rockport series. It's been six months since the government collapsed and the Wisconsin winter is taking a toll on the citizens of Rockport. But they must face more than the harsh elements as the religious cult south of town has grown in size and threatens their very existence. In addition, the state prison has finally run out of resources and released the last remaining inmates who are seeking refuge in the town. As the public safety team struggles with the ever-increasing challenges, Deputy Doug Chapman is on the hunt to catch the serial killer that has been leaving a trail of bodies across the region.