Spotlight: Stake-Out (Paranormal Detectives Book One) by Lily Luchesi

In a world overrun with the Undead, one ex-cop is given a chance to get revenge.

Detective Danny Mancini is on a case, following a murder suspect. When he catches him, he finds out that the perp isn't even human: he's a 200 year old rogue vampire!
The department doesn't believe him, and puts him on early retirement, despite his many years of service to the Chicago Police Department, which sends him into a downward spiral.

Two years later, Danny gets an invitation from the beautiful, young and ve...