This study reveals that over the past decade: the number of gun shows has increased dramatically; gun shows have become a favorite sales outlet for criminals; gun shows have catered to such notable customers as David Koresh, Timothy McVeigh, and at least one member of Arizona’s Viper Militia; gun shows have become “town squares” where militia members and the extremist fringe recruit new members; and, that gun shows have become a primary source for stolen military parts.