“Poirot, you don’t think that because—because of that murder long ago there’s a sort of infection in the air?” “A virus of murder, you mean? Well, it is an interesting suggestion.” “Houses do have an atmosphere,” I said thoughtfully. “This house has a bad history.” Poirot nodded. “Yes. There have been people here—several of them—who desired deeply that someone else should die. That is true enough.”
