Silent Knight (Deep Six Security Series, #7)

Thomas Griffin never thought he'd be a homeless vet at forty-six years old. But when he was no longer useful to the government he'd spent his life serving, they turned their back on him when he needed them most, costing him everything he ever loved. After that, he really didn't care. Living his life on the fringe was safe and he didn't have to worry about anything except his next meal. That safety remains until a beautiful socialite decides to come slumming for Thanksgiving on the wrong sid...