FBI special counsel Robert Mueller has asked for employee's emails at the data firm that worked for President Donald Trump's campaign as part of its probe into Russian interference in the 2016 election, The Wall Street Journal reported.
Mueller has requested Cambridge Analytica turn over the emails of any staffers who worked on the campaign, the Journal reported, citing two unnamed sources. The firm has done so, the Journal reported.
The emails earlier were turned over to the House Intelligence Committee. Cambridge Analytica's chief executive, Alexander Nix, was interviewed Thursday by the panel via videoconference, the Journal reported.
According to the Journal, Mueller's request was made before disclosures in October that Nix had contacted WikiLeaks co-founder Julian Assange during the campaign.
WikiLeaks last year published a trove of Hillary Clinton-related emails that U.S. intelligence agencies later determined had been stolen by Russian intelligence and given to the website.
Cambridge Analytica at the time confirmed the House request, but said the firm itself was not under investigation, the Journal reported.
The outreach to WikiLeaks came at the same time as Nix's firm started working for Trump's campaign, the Journal has reported.
And two months afterward, Trump donor Rebekah Mercer asked Nix whether Cambridge Analytica could help better organize the emails WikiLeaks was releasing.
Mercer and her father, hedgefund billionaire Robert Mercer, are part owners of Cambridge Analytica.
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