"who watches the watchers" ..."Quis custodiet ipsos custodes?" is a latin phrase which shows you how long it has been important in government of free peoples to have control over the people in charge of keeping order.
Those who think the po po shouldn't be subject to scrutiny do not have our best interests in mind.
He doesn't need to remember drivers license is different than license plate because he has an army of Stuart Rhodes out there willing to do violence against reporters and politicians who upset him.