“As Madame had ordered, I did not disturb her. It was not until just before Cannes that I ventured to knock at the door. Getting no reply, I opened it. The lady appeared to be in her bed asleep. I took her by the shoulder to rouse her, and then⁠—”

“And then you saw what had happened,” volunteered Poirot. “ Très bien. I think I know all I want to know.”

“I hope, Monsieur le Commissaire, it is not that I have been guilty of any negligence,” said the man piteously. “Such an affair to happen on the Blue Train! It is horrible.”

“Console yourself,” said the Commissary. “Everything will be done to keep the affair as quiet as possible, if only in the interests of justice. I cannot think you have been guilty of any negligence.”

“And Monsieur le Commissaire will report as much to the Company?”