He said that his recent testimony in front of Congress has opened up new areas of investigation against Trump.

The possibility of an impeachment is still far down the road, but the situation is heating up as Mueller gets close to Trump's inner circle.

Top House Democrats raise prospect of impeachment or jail for president Trump, following the investigation by special counsel Robert Mueller.

President Donald Trump blamed the Justice Department on Thursday for the investigations surrounding him. Trump, in particular, criticized the deal that prosecutors struck with his former lawyer Michael Cohen.

Michael Cohen, Trump’s longtime lawyer and fixer, appeared in a New York Federal court and pleaded guilty to eight counts. Cohen admitted that he had made illegal campaign contributions in “coordination and with the direction of a candidate running for federal office.”

Trump’s long-time lawyer Michael Cohen, who’s at the center of multiple legal battles, told ABC News that he will “put his family and country” first before his loyalty to President Trump.