The federal government is the superior sovereign and does not have any obligation to answer to a state investigation. Further, withholding cooperation from an

The federal government is the superior sovereign and does not have any obligation to answer to a state investigation. Further, withholding cooperation from an investigation is not obstruction of justice, it is your God-given right as an American. You generally only have the obligation to cooperate when you are presented with a court order. And even then, you have the right to challenge the validity of that court order.