Left Hand Path 01 (2014)

When the demon Zycorax is unleashed on the city of Los Angeles, it's up to the the two primary detectives of the LAPD's Unconventional Incidents Unit (UIU), Danik and Livia, to find a way to stop the beast.
The detectives hire Beaumont Briggs, a freelance sorcerer to assist them, but the demon is more dangerous than they realize. Unfortunately, so is Beamount.
Left Hand Path is an ultra-violent occult police procedural, full of twists and turns, gore and black humour.