Karl Vincent: Vampire Hunter Foul Blood part one

Dead bodies are showing up behind the night club “First Impressions” decapitated and drained of blood. Is there a vampire loose in Boston? David Reynolds, a serial killer that Karl arrested years ago has escaped. Is he behind the murders? The second victim was Paul “Sweetheart” Sachitella, a mobster with ties to club owner Leo “The Freezer” Kowalski is Leo involved?