And, of course, if we make judicious choices about places to create safe houses and secret enclaves, we could go ahead even without sorting unplottability. Sherwood are making a go of it. But what happened to the Vale of Glamorgan is a caution. Will always be a risk.

I do wish we knew how they came under MLE's scrutiny. Whether it was the son who spilled the beans in exchange for his Quidditch dreams or whether MLE came to that information by some other avenue. I know that it doesn't do to dwell on these matters, but I can't help thinking that we have increased our own vulnerability of late. One misstep or accident for one of us would bring us all into question.