This is part of a series known as the The Strange Occurrence Squad. The Squad consisting of a police officer, a psychic, and an expert on everything "weird." They make up the government's weapon against forces it can't (or won't) explain. In This case, they investigate a vampire on the loose.
Used availability for Richard Laymon's The Night Creature
August 2003 : USA Paperback
January 1986 : USA Paperback