structures. apparently that sounds like things inside the building that enforcers deemed a potential problem. what does that mean? >> well, it means illegal occupancy. it means use of the building according to the building and fire code. what you do inside the building is its occupancy. and when you have an illegal occupancy, it means you have occupied it without the proper permits from the agencies that issued the permits, such as the building department, the fire department. when you have people that are living inside, that becomes a residential occupancy. when you have a business, that becomes a different kind of occupancy. and then when you go in and you have an assembly such as this gathering people, that's an assembly occupancy, which is a third type of occupancy. so i've heard -- i'm sorry, i was just going to say, that i've heard that they were in there