“No. I was so excited that I just told him to go at once to Room 18. I even pushed him toward the door.” I smiled a little. “I took him by the coat and——”

“Took him by the coat? Then he was fully dressed!” O’Leary’s gaze pierced mine.

“Yes.” I paused as a certain recollection thrust itself upon me. “He must have been outside! In the rain!”

“Why do you say that?”

“His coat was damp.”

O’Leary studied the pencil for a long time.

“Then what happened?” he asked finally in an inflectionless voice.

“Why—then—then I got hold of some lights and went back to Eighteen. They were all there, Maida and Dr. Hajek and Dr. Balman. They were just staring at the patient and doing nothing. Dr. Balman told me that he had died of an overdose of morphine. Of course, I knew that not a grain of morphine had been ordered. So that meant that it was done purposely. It was while we were standing there that——” I stopped. No need to tell that!

But he glanced at me quickly.

“Go on, Miss Keate.”