_{[ Kirk frowned softly at that and glanced around the groups. He could pick a few he thought might, but there was no solid evidence, and he doubted anyone would give someone else up easily - not without either a greased palm, a very loose tongue, or goaded into bragging. ]}

I can't say positively who, but I might have an idea.

_{[ He looked back to her. ]}

I can help you find out, if you want. Just demanding it from them probably won't work - they'll close ranks for each other.