If you say something inconsistent, you've lied to a federal officer, which is itself good for a prison term, as Martha Stewart learned (leaving aside the actual

If you say something inconsistent, you've lied to a federal officer, which is itself good for a prison term, as Martha Stewart learned (leaving aside the actual lie, which if I recall correctly was asserting that she did not do something which they couldn't get enough evidence of her doing to convict her for it...).