"I still don't quite understand about the packet," said Loraine. "Why should he throw it down as he did? Was it because it hampered him climbing?"

"No," said Battle. "I've got an entirely different theory about that. That packet, Miss Wade, was deliberately thrown down to you—or so I believe."

"To me?"

"Shall we say—to the person the thief thought you were."

"This is getting very involved," said Jimmy.

"Mr. Thesiger, when you came into this room, did you switch on the light at all?"

"Yes."

"And there was no one in the room?"

"No one at all."

"But previously you thought you heard someone moving about down here?"