Deadly Justice. Grayson's Guardians, #4

From New York Times Bestselling Author Laura Scott! Former Army soldiers protecting the innocent.Cold Case Justice.Operating room nurse, Evie Tobin knows the bone her dog Bruno has dropped at her feet belongs to a human. And when further investigation reveals a skull and familiar scrap of cloth, Evie grimly realizes the remains belong to her high school friend, Skye Gray. She calls Skye's former boyfriend, Cameron Walker to let him know.
For months, Evie and Cam had haunted the police about Skye's disappearance to no avail. Now, they knew Skye hadn't left town of her own accord. She'd been murdered. Former army soldier Cam Walker can't believe Skye's remains have been found fourteen years after her disappearance. And worse, the local police view him as the prime suspect in her death. Even when Evie's dog Bruno finds another body, this one recently murdered, Cam remains a suspect.
Until the real killer goes after Evie. Cam's seemingly impossible mission is to keep Evie safe while proving his innocence. Before the killer strikes him down once and for all.