[Two. That means that people weren't curious, either; they weren't wondering what his relationship to Dr. Chilton happened to be. Kate wondered if that kind of behavior could extend elsewhere. People registered because it was easier, because it made sense. Couldn't that be said to be the same here?

Or perhaps her own additional knowledge was to her favor?]

I'm here to talk to you about why I was able to find you that day. [She studies his features.] And why you went about what you happened to do. This won't be for an official statement. I won't be able to testify because I shouldn't have been acting as a vigilante. [But—it's not spoken, so she breathes in and breathes out.] Dr. Chilton is tied to a great many people here, and I saw everything that you did. [Everything.] Without the use of surveillance equipment.