automatic weapons. >> fully automatic rifle is, of course, illegal to possess. >> is it not against the law to buy firearms. it's not against the law to buy anything that they sell at a gun show. >> people don't even realize they have turned from a commune into an armed camp, and the weapons become very much a part of their life. they have engaged in now paramilitary training. >> i was outraged, and i was able to go out and get enough probable cause to make sure that, you know, i'm going to get my warrant for this guy. >> in january 1993 the atf rented a house across the road from the compound and began undercover surveillance with agents posing as college students. >> we had an undercover agent,