No, it is not. This is no attempt to defraud, slander, defame. It is still free speech even if false.
And even in a case like this -- WHO determines what is political fact, or a historical fact? The history of jury nullification is strong and a certain influence upon the Bill of Rights. Go look up the Trial of William Penn in London.
I’d be interested in knowing what, specifically, he was indicted for. What’s the actual law he is charged with breaking?