Molly interviews Christopher Mathias about his new book, To Catch a Fascist: The Fight to Expose the Radical Right. It's a rollicking tale of infiltrating nazi groups and exposing their private communications to dox them en masse. 

Preorder Chris' book: https://www.simonandschuster.com/books/To-Catch-a-Fascist/Christopher-Mathias/9781668034767 

The article Chris mentioned about Spit & Dan: https://www.orlandoweekly.com/news/death-in-the-desert-2263332/