[Shepard. That's not a complicated topic at all. But if she did trust someone, trusted them enough to tell them about Garrus, then that puts some serious points in John's corner.]

If Shepard trusts you, then I'm listening. And I was. That's when she met me, when I was still playing good cop, bad cop with all sorts of scum.

[As he talks, Garrus drops his blackglass into an armor compartment. There's something about the way that the human's voice has dropped that says it might be prudent to not have the creepy charm out right now.]

So what can I do for you?