"So you cannot explain how, speaking to the police that day in Aylesbury, you described a peculiarity that you could not possibly have known about, if your story was true. Have you ever been abroad, Miss Kane?"
"Abroad?" she said, surprised by the change of subject. "No."
"Never?"
"No, never."
"You have not, for instance, been to Denmark lately? To Copenhagen, for instance."
"No." There was no change in her expression but Robert thought that there was the faintest uncertainty in her voice.
"Do you know a man called Bernard Chadwick?"
She was suddenly wary. Robert was reminded of the subtle change in an animal that has been relaxed and becomes attentive. There is no alteration in pose; no actual physical change. On the contrary, there is only an added stillness; an awareness.
"No." The tone was colourless; uninterested.
"He is not a friend of yours."