The FBI code-named it Patriot Conspiracy (PATCON): a 1990s-era right-wing infiltration operation so secret its details remain largely unknown. First revealed in heavily redacted records in 2007, PATCON entailed three undercover FBI agents operating a front group called the Veterans Aryan Movement (VAM). Posing as racist militiamen who robbed banks to fund domestic terrorism, the undercover agents spied on various right-wing organizations throughout the early ’90s—but never contributed to any major convictions. The existing public records on PATCON are relatively sparse. They include a few sworn declarations in a long-running Freedom of Information Act (FOIA) lawsuit, as well as the initial set of redacted documents obtained by extremism researcher J.M. Berger. Newsweek also published a story describing PATCON in 2011 based on extensive information from a former FBI informant who participated in the operation. Much to the informant’s dismay, that Newsweek story was heavily edited to remove information about PATCON, …