[ Hugh doesn't actually disagree that it's a bad idea to keep track of who's coming in and out. And with Jason apparently capable of human emotion (even if that emotion is sarcasm) he's willing to cut him a little slack. ]

If you're any good with tech, there's bound to be something you can rig together
from what's down here. Even a low-tech tripwire attached to a bell would work.

Between the six of us down here, we should be able to figure something out.