But the only person who knows for sure right now is special counsel Robert Mueller.
Stone pledged his loyalty to the president during an interview with ABC's This Week on Sunday, stating that there would be "no circumstance" in which he would testify against Trump.
Mueller has negotiated cooperation deals with several key witnesses, notably Trump's former lawyer Michael Cohen, in exchange for reduced prison sentences for various charges.
Michael Cohen, once President Trump's longtime attorney and confidant, is now a target of of the president's Twitter feed after he requested leniency in the courts on Friday for cooperating with the special counsel.
According to Corsi's complaint, Mueller's team wanted him to demonstrate that he acted as a liaison between Stone and WikiLeaks founder Julian Assange on one side and the Trump campaign on the other regarding the release of hacked emails from the Democratic National Committee.
The comments from Rep. Adam Schiff come days after President Donald Trump's former lawyer pleaded guilty to lying to Congress, raising questions about whether the special counsel would pursue similar charges against others eyed in the Russian Federation probe.
NHL Realignment: Incoming Seattle Franchise To Shake Up Western Conference
The biggest concern for Coyotes fans will be the relative strength of the Central compared to the current Pacific Division. Seattle being granted the NHL's 32nd team has been one of the worst kept secrets in sports over the last few months.
Stone, a longtime Trump associate, has repeatedly denied knowing in advance about the Clinton email releases, but messages between Stone and right-wing author Jerome Corsi have raised questions about Stone's denials.
Asked whether he would expect a pardon from the president if indicted by Mueller, Stone replied, "I've had no discussion regarding a pardon".
Stone himself had an answer to the suggestion that Trump's tweet may have violated witness tampering statutes.
Trump finished off his morning by attacking Mueller and "his out of control band of angry Democrats".