I believe that this person looked in at the window and went away.

I saw no more of him alive after this." "You have some idea, I presume, as to his identity ?" "I have no definite information, your Grace," I answered.
The Duke did not look at me for several moments.
"I am afraid," he said, stiffly, "that you may experience some inconvenience from this most ill-advised attempt of yours to suppress evidence which should most certainly have been given at the inquest.
However, I have no doubt that your story is true.

I have some inquiries now before me from the police station.

I will do what I can for you.
Good-evening, Ducaine." "Good-evening, sir," I answered.

"I am much obliged to you." I walked homewards across the park.