Mark Pitcavage, a senior research fellow with the Anti-Defamation League, defines paper terrorism as “the use of bogus legal documents and filings, or the misuse of legitimate ones, to intimidate, harass, threaten, or retaliate against public officials, law enforcement officers, or private citizens.” In Anne Diebel and Tyler Maroney’s article in this month’s issue of Harper’s, “Paper Terrorism: Anti-government vigilantes wield a subtle weapon,” the two journalists dive into this method of warfare that is mostly unknown to the general public. Join Leonard for a crash course in what paper terrorism is and why it’s so dangerous.