Shelby's Secret (Once A Marine Always A Marine #4)
Kori David

Mike Hanson is an ex-Marine turned Homicide Detective, with an ingrained ability to find the bad guys. When a body turns up that points to a connection to the famous singer in town for a concert, he has no choice but to get involved. As the killer gets more violent, Mike gets closer to the one woman who makes him feel again. Now he's going to pull in every favor owed, and push himself harder than ever to protect the woman who broke his heart, because he can't imagine a world without her. Even if she leaves him again.