Tenenbaum draws on her cigarette while Sinclair speaks; it's almost down to the filter, but waste not want not.

And -- now that was an interesting statement. If by 'interesting' you mean 'whoa hold up what did you say'. Her eyebrows are up again, surprised.

"He has -- told you much about his family?"

There are a thousand things at stake in that question -- and she tries to hide it, but a little of that intensity comes through. He knows about Ryan. Maybe picked up through rumour -- maybe not. The child is trusting, and Sinclair is a creature built for smooth-talking. Might the truth have come out about Fontaine? About Tenenbaum herself?