“I would wait for him a little if I were sure he wouldn’t be long,” he said.

Mrs Verloc volunteered no assurance of any kind.

“The information I need is quite private,” he repeated. “You understand what I mean? I wonder if you could give me a notion where he’s gone to?”

Mrs Verloc shook her head.

“Can’t say.”

She turned away to range some boxes on the shelves behind the counter. Chief Inspector Heat looked at her thoughtfully for a time.

“I suppose you know who I am?” he said.

Mrs Verloc glanced over her shoulder. Chief Inspector Heat was amazed at her coolness.

“Come! You know I am in the police,” he said sharply.

“I don’t trouble my head much about it,” Mrs Verloc remarked, returning to the ranging of her boxes.