Mueller's team has asked Cohen about the range of issues covered in its mandate, including potential collusion between the Trump campaign and Russian Federation to interfere in the 2016 presidential election, according to the report.
The television network, citing sources familiar with the matter, said he was questioned about Trump's dealings with Russia, including whether members of the Trump campaign worked with Russians to try to influence the outcome of the election.
The White House dismissed the plea, arguing that the president was not indicted and therefore did nothing wrong.
The tweet was deleted nearly immediately and was later reposted by his attorney, Lanny Davis, who said he wrote the tweet for Cohen and asked him to tweet it because he has a "much larger following".
Cohen's prosecution was carried out by the Southern District of NY after the case was referred by the special counsel's office.
China considers lowering tariffs as its economy faces difficulties
Ma also said in the interview that he will keep making efforts to push for the healthy development of bilateral trade ties. It was a promise made in January of 2017 during a meeting with newly elected President Donald Trump .
Of particular interest to Mueller is Cohen's efforts to complete real estate deal for Trump Tower in Moscow during the campaign, the Wall Street Journal reported. "If Cohen can help Mueller, prosecutors could recommend a reduced sentence".
Two of the charges Cohen pleaded guilty to stem from payments made to Playboy model Karen McDougal and Stephanie Clifford, an adult film actress known as Stormy Daniels, to keep them from talking about their affairs with Trump.
Along with two counts of violating campaign finance laws, Cohen also has pleaded guilty to six counts of fraud.
According to ABC News, Cohen is also cooperating with investigators in NY who are conducting a probe into the Trump Foundation and the Trump Organization - the president's family charity and business.
Former federal prosecutor Doug Burns discusses how former Trump lawyer Michael Cohen may speak with special counsel Robert Mueller.
Cohen's cooperation agreement could pose a significant blow to the President.