While Hillary Clinton was preparing to deliver a big speech portraying Donald Trump as a racist, a figure from Clinton’s recent unhappy past — Rep. Trey Gowdy, chairman of the House Select Committee on Benghazi — added a new word to the 25-year vocabulary of Clinton scandals: BleachBit.

That is the name of a publicly-available utility used to delete material from a computer’s hard disk. And it’s not just for casual, quickie deletes of junk mail. It’s for when a user really wants to destroy material on a computer so that no one will be able to recover it.