on the scene at the same instant, and each took the other to be the perpetrator of the crime. The girl stares at him in horror, and then with a cry rushes away. But, when she hears that the crime has been brought home to him, she cannot bear it, and comes forward to accuse herself and save him from certain death.”
Poirot leaned back in his chair, and brought the tips of his fingers together in familiar style.
“The case was not quite satisfactory to me,” he observed judicially. “All along I was strongly under the impression that we were dealing with a cold-blooded and premeditated crime committed by some one who had been contented (very cleverly) with using M. Renauld’s own plans for throwing the police off the track. The great criminal (as you may remember my remarking to you once) is always supremely simple.”
I nodded.
“Now, to support this theory, the criminal must have been fully cognizant of Mr. Renauld’s plans. That leads us to Madame Renauld. But facts fail to support any theory of her guilt. Is there any one else who might have known of them? Yes. From Marthe Daubreuil’s own lips we have the admission that she overheard M. Renauld’s quarrel with the tramp. If she could overhear that, there is no reason why she should not have heard everything else, especially if M. and Madame Renauld were imprudent enough to discuss their plans sitting on the bench. Remember how easily you overheard Marthe’s conversation with Jack Renauld from that spot.”
“But what possible motive could Marthe have for murdering Mr. Renauld?” I argued.
“What motive? Money! M. Renauld was a millionaire several times over, and at his death (or so she and Jack believed) half that vast fortune would pass to his son. Let us reconstruct the scene from the standpoint of Marthe Daubreuil.
“Marthe Daubreuil overhears what passes between
