At any rate, he did spill that the whole night will, in fact, kick off with said medical mystery courtesy of a strange illness, so we can probably count on things being touch and go, full tilt, for three hours.
Now, Haas also mentioned that there will be a mystery that is both medical and criminal that will be a big feature of this event, and while he, of course, didn’t spell out the details on these, I’m not surprised that they are very much related puzzles, because that is just how the Chicago shows roll most of the time.