As long as it sounds fishy, people have right to ask for audit per state law. That's what the lawyer wants to do. The judge will give the verdict on Friday noon. Wayne county should have a lot of Trump supporter.
Also if the final audit result is far off the reported result. All the counties which are using this type of machine should be audited.
In US, the witness just need state the fact. Lawyer will do the rest. From the way she talked, the lawyer has prepared for her.