Locke and Key: The Assassin SHifters book 24

Werewolf Locke Renfro has spent most of his life hunting and killing rogue werewolves - vicious murderers who take pleasure in causing misery and destroying lives. Including his own when they slaughtered his parents. After a rogue bites his lover, it triggers the process of turning him into a rogue also and Locke must kill the only man he ever thought he'd love. Years later, the fates have finally given him a mate - smart, funny and sexy Mitch Devan. Locke is afraid to seal their bond, thou...