Former US President Donald Trump.Anna Moneymaker/Getty Images The Jan. 6 case judge warned Trump against intimidating witnesses or influencing jurors. Judge Chutkan said "even arguably ambiguous statements" could "threaten the process." Trump has a history of making inflammatory statements about his ongoing legal troubles. Former President Donald Trump was warned by a federal judge against making public statements on the January 6 insurrection case that could intimidate witnesses or influence potential jurors.