You guys are what the authorities have called “the incorrigibles”, because in the prisons where you have come from you just couldn’t stop causing trouble.
They had explained away Harry's long absences at Hogwarts over the last three years by telling everyone that he went to St. Brutus's Secure Center for Incurably Criminal Boys.
There'd be something irredeemable about them, some horrible, awful quality that would give me an excuse, no, an obligation to remove him from the town permanently with violence.
Conway was puzzled as to the ultimate basis of law and order; there appeared to be neither soldiers nor police, yet surely some provision must be made for the incorrigible?
He was a man of good family and of great ability, but of incurably vicious habits, who had by an ingenious system of fraud obtained huge sums of money from the leading London merchants.