‘Well,’ he said, ‘that’s all we can do in the meantime. A description of the men and cart will be wired round to all the stations immediately, and every constable in London will be on the look-out for them before very much longer.’

‘Very good that,’ said the managing director.

The Inspector looked surprised.

‘Oh no,’ he said, ‘that’s the merest routine. But now I’m here I would like to make some other inquiries. Perhaps you would tell your people that I’m acting with your approval, as it might make them give their information more willingly.’

Mr. Avery called over Huston, the manager.

‘Huston, this is Inspector Burnley of Scotland Yard. He is making some inquiries about that cask you already heard of. I’ll be glad if you see that he is given every facility.’ He turned to the Inspector. ‘I suppose there’s nothing further I can do to help you? I should be glad to get back to the City again, if possible.’

‘Thank you, Mr. Avery, there’s nothing more. I’ll cruise round here a bit. I’ll let you know how things develop.’

‘Right. Good-bye then, in the meantime.’

The Inspector, left to his own devices, called Broughton and, going on board the Bullfinch, had the clerk’s story repeated in great detail, the actual place where each incident happened being pointed out. He made a search for any object that might have been dropped, but without success, visited the wharf and other points from which the work at the cask might have been overlooked, and generally made himself thoroughly familiar with the circumstances. By the time this was done the other men who had been unloading the forehold had returned from dinner, and he interviewed them, questioning each individually. No additional information was received.

The Inspector then returned to the quay office.