"That's our position--exactly." "Then--in that case, what I want to get at is this," continued Sir Cresswell.

"How does this relate to my brother's death?
What's the connection?
That--to me at any rate--is the first thing of importance.

Of course I have a theory.

This, that the impostor did see my brother last Sunday afternoon.

That he knew that my brother would at once know that he, the impostor, was not the real Marston Greyle, and that the discovery would lead to detection.