He doesn't move away from Diarmuid when he reaches for him, and he's about to answer the question when he moves forward to the apartment complex and his train of thought is cut off.

They clearly knew. They couldn't have not known, because it was so painful not even he, who could ignore most pain, could stop himself from reacting.

But the soldier follows and enters the building, looking around carefully to see if anyone else is around. He recalls that the room he was given is in this building, on the second floor. In some ways it seems beneficial that some of these network terminals are in the same building, in case he ever needs them immediately.