I daresay you see what I mean ?" "Can't say that I do, sir," answered the superintendent.

"I haven't had much experience in this sort of work, you know, Mr.Brereton--it's a good bit off our usual line.

What do you mean, then ?" "Why," replied Brereton, laughing a little, "I mean this--it looks as if the murderer had taken his time about his proceedings!--after Kitely was killed.

The pocket-book, as you know, was picked up close to the body.
It was empty--as we all saw.

Now what can we infer from that but that the murderer actually stopped by his victim to examine the papers?
And in that case he must have had a light.