But the only person who knows for sure right now is special counsel Robert Mueller.
He also repeated his accusation that Special Counsel Robert Mueller - who is investigating possible collusion between Russian Federation and Trump's campaign - is forcing witnesses to make up lies damaging to the president.
President Donald Trump said on Twitter that Michael Cohen should serve a prison term for lying to Congress, and asserted that his former personal attorney's crimes were "unrelated to Trump".
President Donald Trump gestures during a meeting in the sidelines of the G20 Leaders' Summit in Buenos Aires, on November 30, 2018.
"'Michael Cohen asks judge for no Prison Time.' You mean he can do all of the awful, unrelated to Trump, things having to do with fraud, big loans, Taxis, etc., and not serve a long prison term?"
Judge to decide whether to quash Comey subpoena on Monday
Comey provided previous testimony to Congress, both in public and in closed-door sessions, twice in 2016 and three times in 2017. Comey may not condition his cooperation with a congressional investigation on the presence of television cameras", Hungar wrote.
Mueller's team is looking into whether Stone, an informal adviser to Trump during the 2016 campaign, was in communication with WikiLeaks before the website publicized stolen emails from Hillary Clinton's presidential campaign. He now says he expects he will be indicted.
Rep. Adam Schiff said Sunday on ABC's "This Week" that emails between Stone and an associate, Jerome Corsi, are "inconsistent" with Stone's testimony before the congressional committee.
Eric Trump, executive vice president of the Trump Organization, said attorney George Conway's public criticisms of the president, another one of which came Monday morning, are a dishonor to his wife, Trump adviser Kellyanne Conway.
Mr. Conway shared the tweet and added, "File under '18 U.S.C. §§ 1503, 1512, '" citing federal laws against attempts to influence jurors and witnesses, respectively.
It was revealed last week that Trump spoke more extensively during the presidential election with Cohen about the proposed Trump Tower project in Moscow than Cohen admitted to Congress previous year, which Cohen said while pleading guilty Thursday in federal court to a charge from Mueller's office. The truth is very bad for their mission!' the president wrote.