Blood Heretics: The Vampire Conspiracy Book 1 by Martin Wilsey

The horrors of the Iraq war led Timothy Beck to become a simple parish priest…until that day when his life changed forever. Now, he’s a member of an elite team secretly funded by the United States government to hunt vampires. Maris Hodge was a police detective, and a damn good one, until a vampire seduced and tried to enslave her. Now free, she’s the newest recruit for the team…and she’s looking for payback. Rhys Valmunin, the vampire who terrifies all the other vampires, is active again after over a century… he always gets his chosen prey. The question is: Who’s the hunter, and who’s being hunted?