“Don’t be too sure about that, Robin,” said the boy, dropping the curtain and coming back to Robin’s chair. “He may want you to think that. But how can we tell how much he knows?”
Robin flicked the ash off his cigarette disdainfully.
“These promoted policemen make me tired,” he said.
Bruce Wright shook his head quickly with a little gesture of exasperation.
“You don’t understand,” he said. “There’s fresh evidence ...”
Robin Greve looked up with real interest in his eyes. His bantering manner had vanished.
“You’ve got that letter?” he asked eagerly.
Bruce shook his head.
“No, not that,” he said. Then leaning forward he added in a low voice:
“Have you ever heard of the Maxim silencer?”