d.c. any time -- >> when you say d.c. you mean the white house? >> right. it's close to that. so they're going to be called in to look at whatever possibilities this may have if any, towards anything federal. the potential for organized crime based on the fact what this guy might have been involved with as far as his company. but really i think the thing is it was apparent they used accelerants to keep the fire going in the house and to have it spread quickly. the atf is really the experts in that field, in accelerants and any type of -- >> burn patterns. what is a burn pattern? >> whether it's an explosive or somebody pours gas on something, explosives that's a burn. it's something that's burning. it's just doing it at a rapid rate. a fire may burn slowly. an explosion is something that moves at 25,000 feet per second. so atf is very very good at trying to go in there with their techniques and finding out where the fire started and where it spread from what types of