“You and I have a principle in common. We do not approve of murder.” Miss Emlyn looked at him for a moment or two. Her expression did not change, but Poirot had an idea that he was being sized up with a great deal of care. “I like the way you put it,” she said. “From what you read and hear nowadays, it seems that murder under certain aspects is slowly but surely being made acceptable to a large section of the community.”