No, not that I've seen. Whatever they had in there, all I could tell was that it was dripping.

[ He'll let Crow have a look while he looks at the other three elevators. ]

I guess it'd be too easy if the trail led outside too, or back to one of the rooms. Though it just makes you wonder why we haven't found anyone or anything else looking rather wet. I mean, we've practically been tailing them almost the whole time, haven't we?