That would be exceptionally nice of them, but also extremely poor investigative practice.
I will say, though, as one of the many people in my field that is bone-tired of schlepping out to the worst place in the United States every damn year for these events, any other location in the world would be fine for me, and I endorse the actual suggestion you're making.
† (Yes, obviously, I know virtually nobody who attends Defcon is a criminal).