I read it yesterday. Very eye-opening. There were two guys in Philadelphia if I read correctly, who have a site called Unicorn Riot and they have become the go-to people to publish the documents and recordings of far-right violent extremists. The author also met with the FBI and tells why the agency is so hamstrung that it can do little, even though the President has identified domestic terrorism as the Number One threat against Americans. Thus, private citizens have to step in. I was a bit shocked when the author detailed all the name changes that a guy had to make to try to evade revenge from the extremist group he exposed. Later on, he gives anonymity to one who he just refers to as the Infiltrator.