Dead Drop — Jon F. Merz

Meet Lawson. A cynical, wise-cracking vampire charged with protecting the Balance between vampires and humans, he is part cop, part spy, and part commando--a James Bond with fangs. Lawson mixes shrewd cunning with unmatched lethality to get his job done. He tries his best to dismantle conspiracies, dispatch bad guys, and live long enough to get home.

This time, Lawson has been given an easy assignment, a "dead drop." That is until an old enemy returns...