He consumed it all with calm enjoyment and asked for more; and when, at last, I did really begin to think that I had bored him a little, he staggered me by reading over his notes and starting a brisk cross-examination to elicit fresh facts! And the most surprising thing of all was that when I had finished I seemed to know a great deal more about the case than I had ever known before.
"It was a very remarkable affair," he observed, when the cross-examination was over--leaving me somewhat in the condition of a cider-apple that has just been removed from a hydraulic press--"a very suspicious affair with a highly unsatisfactory end.

I am not sure that I entirely agree with your police officer.

Nor do I fancy that some of my acquaintances at Scotland Yard would have agreed with him." "Do you think I ought to have taken any further measures ?" I asked uneasily.
"No; I don't see how you could.

You did all that was possible under the circumstances.

You gave information, which is all that a private individual can do, especially if he is an overworked general practitioner.