“That is interesting,” said the Commissary, glancing at the other. “Eh, M. Poirot, that is interesting? Whether it has anything to do with the crime⁠—” He left the sentence unfinished.

“I suppose it could not be suicide,” said Katherine, rather doubtfully.

“No,” said the Commissary, “it could not be suicide. She was strangled with a length of black cord.”

“Oh!” Katherine shivered. M. Caux spread out his hands apologetically. “It is not nice⁠—no. I think that our train robbers are more brutal than they are in your country.”

“It is horrible.”