[He turns and gestures to the graffiti on the wall. It's an amalgamation of things, everything clearly done by separate people. Nine or ten, judging by the differences in styles. It's got happy and silly images, stylized messages, and various different tags that don't seem to mean much.]

I figured this must be where she was leading us. This is something me and some of my organization did together. So it has to be another clue, since this is the first piece of graffiti of ours that I've seen.