Greta stares up at the Balladeer, trying to reconcile his familiarity with all these murderers whose crimes, it seems, span decades, with the fact that he doesn't seem that old and certainly doesn't seem like the sort of person who would associate with murderers on purpose.

"But how do you know them all?" she asks, which might not be the most pressing concern considering that one of them is probably following them. But this Booth fellow, from the sounds of it, isn't much more than a shade, anyway. "How do they--how old are you?" she finally blurts, baffled.