Not-Sasha... [Tim's face falls once again. Even having been told several times that she gets-- has been replaced it was hard to believe. How could he have possibly not noticed her being replaced? They had dated and she was his best friend at the institute. It still didn't seem possible.

Wait-- what did Jon just say?] You thought I was planning on killing you? How could you think that? I only went into the archives because you asked me to. I risked my life coming back for you and Martin. If I wanted you dead I would have left you behind during the attack. [The suddenly Tim chuckles as if afraid of being left behind in some joke.] Wait, you're joking right? [That had to be it.] You really need to work on that a bit more.

And that's exactly why he should be stopped now before he gets any sort of power and influence behind him.