Abandoned with all the former occupant's items still inside? Might be a skeleton on a mattress somewhere, lol. Is that an air conditioner in the window? If so, it's already in better shape than my living room.
My favorite "hidey-hole" former cannabis grow was a huge space inside some sort of hollow concrete bridge. Could have supplied a small town with that kind of square footage. I don't remember how those people got busted, either. Stealing utilities, maybe. Or getting electrocuted whilst attempting to, lol.
Cannabis cave in Greenville Tn if I remember right.