Since he'd already admitted enough to give them ammo to work with, why not more? "Yeah, the Slayer. The one that failed to kill Angel when I hired her. Funny how things work out, isn't it?" It wasn't as if he had many friends to get that protective over. The number could probably be counted on one hand.
He swept his coat up off the chair where he'd dropped it and pulled it on. "I know where to find you," he replied, keeping his tone deadpan as he said it.