There was something so methodical and so incomprehensible about the deeds of this unknown assassin, that it imparted a fresh ghastliness to his crimes.
The equivalent, for those agitating for Britain to leave the EU, is to call for the country to cherry-pick bits of EU membership—and, on failing, hail its ghastliness.
When he came back to me, looking quite cheerful even amidst such ghastliness, I just asked him one final question, and I daresay you can guess what it was. '