As I said the agency takes power were it can get it. Just remember that unless the vampire has been on the team awhile he will not be trusted. This follows the Buffy the Vampire Slayer style vampires, burns in the sun, stake to the heart turns him to dust, crosses are corrosive to the touch, enhanced speed and strength, must drink blood to maintain strength, human is most effective acting rather like caffeine but other animal blood will do.