“Certain. I saw them on her in the train to Wembley. Unless she has two absolutely identical pairs, she was wearing those.”

French had been turning the shoes over in his hand.

“You said you saw a mark of where someone had slipped on the bank behind the wall you threw the tracing over,” he went on. “You might describe that mark.”

“It was just a kind of scrape on the sloping ground, with the footprint below it. Her foot had evidently slipped down till it came to a firmer place.”

“Right foot or left?”

“Right.”

“And which way was the toe pointing: towards the bank or parallel with it?”

“Parallel. She had evidently climbed up diagonally.”

“Quite so. Now another question. If you were standing in the field looking towards the bank, did she climb towards the right hand or the left?”

“The left.”