Dawn Walker, Vampire Killing Beast: Book One

When our world merges with a strange quantum reality Earth of sorcery and high technology, Detective Jarred DeMarcus discovers that in addition to his regular peacekeeping duties, he must feed on the blood of the people he swore to protect. This new curse forces him to cover his own tracks when he learns the awful truth that the creature everyone wants dead, a half vampire, half werewolf abomination is hidden deep within himself. Soon Jarred discovers more supernatural creatures exist outside of the law and takes matters into his own hands, but someone in the Vampire Council wants him dead and will stop at nothing to rid the world of the very thing they hate the most; the Vampire Killing Beast.