On Friday President Donald Trump's political adviser, Roger Stone, was arrested in the wee hours of the morning in connection with Special Counsel Robert Mueller's probe.
Former U.S. Attorney Preet Bharara sat down with CNN's Wolf Blitzer to explain that Stone might have to flip on Trump.
"Do you think the special counsel could pursue a charge of conspiracy down the road?" Blitzer asked Bharara.
"We have seen before that the Mueller's team will bring charges in one instance and hold things back. It's not clear that they're not going to bring further charges going into the future," he responded.
Wolf then explained that Stone might have to cooperate with Mueller in order not to spend the rest of his life in prison.
"If he is convicted on all of these seven counts, he is facing potentially years and years in prison. So in order to reduce that prison sentence, he would have to start cooperating with the special counsel?" Wolf asked.
"The country has got an education in what it means to cooperate and what the effect of cooperation is on your potential sentence," Bharara said. "We all saw Roger Stone say in dramatic fashion on the courthouse steps today sat that he does not intend to bear false witness against the president.”
"He believes in the president. I have heard that before from other people who say they will not cooperate, will not flip. If he thinks he is going to prevail, he is fooling himself in more ways than one," he said.
He then explained that former Trump campaign chairman Paul Manafort continued to lie and was unable to cooperate with Mueller.
"Paul Manafort continued to lie. The Mueller team had to say, 'we can't use you as a cooperator.' From everything I have seen in documentaries, newspaper articles, and directly out of the mouth of Roger Stone himself, he is a more unseemly liar than Paul Manafort."
Watch the interview below via CNN.