Last week, former reservist Patrik Mathews was arrested by the FBI on firearms-related charges. Front Burner first covered his story last summer, when he was being investigated by law enforcement for suspected ties to a militant white supremacist group called The Base. After a raid by the RCMP, Mathews disappeared. Because of his arrest, we have access to a trove of court documents from the FBI's investigation of Mathews. Today on Front Burner, we talk to Vice national security correspondent Ben Makuch about what we've learned from these documents, and what they might say about efforts to stop the growth of white supremacist groups.

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