(CNBC) — A business partner of President Donald Trump’s lawyer Michael Cohen has agreed to cooperate with prosecutors, The New York Times reported Tuesday.

That cooperation by Evgeny Freidman could spell very bad news for Cohen, who is the subject of an ongoing criminal investigation by federal prosecutors in New York City.

The Times suggested that Freidman’s cooperation “could be used as leverage to pressure Cohen to work with the special counsel,” Robert Mueller, “examining Russian interference in the 2016 presidential election.”

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