" He and Cooper were a lot alike. That was why Mercer had Cooper hunting him. Darkness clung to them both. They were loners. Killers. In the end, though, only one of them would survive this game. It wouldn’t be Cooper. Pity. He’d once called the man friend. Now, he just thought of Cooper Marshall as a target. "

― Cynthia Eden , The Girl Next Door (Shadow Agents: Guts and Glory, #6)