Police procedural/Horror novel by Paul Dale Anderson
http://www.amazon.com/Axes-Grind-Instruments-Death-Book-ebook/dp/B00X53ICEK/ref=sr_1_3?s=books&ie=UTF8&qid=1430857707&sr=1-3&keywords=axes+to+grind
http://www.barnesandnoble.com/w/axes-to-grind-paul-dale-anderson/1121862625?ean=2940151241403