S7E8: Mother Simpson
Are you sure this is the woman you saw in the post office?
Absolutely. Who could forget such a monstrous visage?
She has the sloping brow and cranial bumpage of the career criminal.
Uh, sir, phrenology was dismissed as quackery 160 years ago.
Of course you'd say that. You have the brainpan of a stagecoach tilter.
At any rate, the F.B.I. will track down this mystery woman...