The FBI is reportedly looking into whether a top Russian banker illegally gave money to the National Rifle Association (NRA) in an effort to help President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE during the 2016 presidential race.

Two sources familiar with the matter told McClatchy that FBI counterintelligence investigators are looking into Alexander Torshin, the deputy governor of Russia’s central bank.

According to the news service, it is not clear how long FBI investigators have been looking into the activities of Torshin, who is known for his relationship with Russian President Vladimir Putin and the NRA.

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The NRA spent $30 million during the 2016 presidential race to support Trump, and Trump was a frequent advocate for the Second Amendment.

The report comes as special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE continues his investigation into Russian election interference and potential collusion between the Trump campaign and Moscow.

Trump has repeatedly denied collusion and referred to the Russia prove as a "witch hunt."

It was reported this week that former White House chief strategist Stephen Bannon was subpoenaed by Mueller and is set to fully cooperate with his investigation.

Another report earlier this week also said White House communications director Hope Hicks Hope Charlotte HicksSenate intel leaders said Trump associates may have presented misleading testimony during Russia probe: report Cuomo turned down Trump invitation to participate in April press briefing: report Trump shakes up White House communications team MORE is expected to speak with the House Intelligence Committee in the panel’s probe into Russian election interference.