RUSSIA | S02 02 - Maria Butina: Russian in the NRA

An undercover Australian journalist from Al Jazeera spent three years inside the National Rifle Association of America. He wasn't the only one trying figure it out. Simultaneously, a Russian secret agent was trying to infiltrate the NRA. She is now the only Russian secret agent behind bars for Russia's meddling in the election, and could hold the key to understanding Putin's plans.