We may never find that out.

But it's clear that he is connected with this in some way, which we can find out without much trouble." His countenance had that look of grave, overbearing indifference once well known and much dreaded by the better sort of thieves.

Chief Inspector Heat, though what is called a man, was not a smiling animal.
But his inward state was that of satisfaction at the passively receptive attitude of the Assistant Commissioner, who murmured gently: "And you really think that the investigation should be made in that direction ?" "I do, sir." "Quite convinced?
"I am, sir.

That's the true line for us to take." The Assistant Commissioner withdrew the support of his hand from his reclining head with a suddenness that, considering his languid attitude, seemed to menace his whole person with collapse.

But, on the contrary, he sat up, extremely alert, behind the great writing-table on which his hand had fallen with the sound of a sharp blow.
"What I want to know is what put it out of your head till now." "Put it out of my head," repeated the Chief Inspector very slowly.
"Yes.