"It was a crude sort of hold-up for a neighbourhood of criminals, but it very nearly came off.

Will you have some tea with us ?" "Do, Henry," his wife begged.
Once again he hesitated.

Somehow or other, he felt that the moment was critical.

Then a hand was laid quietly upon his arm, a man's voice whispered in his ear.
"Monsieur will be so kind as to step this way for a moment--a little matter of business." "Who are you ?" Hunterleys demanded.
"The Commissioner of Police, at monsieur's service.".