We are in the center of his focus. He has control of Judas, at the present. But we are not sure what he wants, no.

[She hadn't asked -- there had been other matters in front of her to deal with. But there was one thing that suggested Jon's hypothesis was correct -- and that was the fact that he had once hold Cassius captive.]

Cassius had mentioned that...he was not responsible for setting things in motion. Only for moving pieces. So he may very well be in control here. But we are unlikely to be certain without further investigation after our task is complete.