Maria Butina pleaded guilty in December last year to one count of conspiring to act as a foreign agent for Russia by infiltrating a gun rights group and influencing US conservative activists and Republicans.
Russia rules out spy swap with US after detaining ex-marine Paul Whelan, says 'premature' to barter for Maria Butina
Paul Whelan, a former US Marine who also holds Canadian, British and Irish citizenship, was detained in Moscow in late December. His arrest has led to speculation that Russia could be using him to bargain for a Russian who pleaded guilty to acting as a foreign agent in the United States.
Russian 'agent' Maria Butina held for trying to infiltrate US government; accused made contact with prominent Republicans
A Russian gun rights enthusiast, Maria Butina, who built a network of powerful Republican contacts under the direction of a Kremlin power-broker was ordered held without bond on Wednesday after FBI counterintelligence agents accused her of conspiring to infiltrate the US government.