White Supremacy: Going Under (2016) - The A.V. Club
Combining reenactments and interviews with the primary players involved, three separate cases in the early 1990s of individuals going undercover to infiltrate and thus bring down white supremacist activities are presented. This documentary posits that such undercover operations are one of if not the most most effective means of stopping these white supremacist activities. The first involves psychotherapist Karen Kearns, whose family was targeted by a local chapter of Aryan Nation led by Mark Thomas shortly after moving to the small community of Huff's Church, Pennsylvania. The threats aga...
Source: avclub.com