Contempt of Congress

Wiki:
Following a contempt citation, the presiding officer of the chamber is instructed to refer the matter to the U.S. Attorney for the District of Columbia; according to the law it is the duty of the U.S. Attorney to refer the matter to a grand jury for action.

The criminal offense of contempt of Congress sets the penalty at not less than one month nor more than twelve months in jail and a fine of not more than $100,000 or less than $100