"They always pick twins. We have to try and prevent it before it escalates. If we can track the pattern, we can prevent what happened to you." Which did pose the question of did Barty have a twin? He knew he had a family. He had hinted at a sibling. Was he involved in this sort of thing? "Jack won't drop it. Trust me."

That man let nothing go. Ever.

"Look, I have work soon and I can't stay long but... are you staying in Cardiff?"