Summary

Poirot tells Race that while Pennington had motive to kill Linnet, that he didn't commit the murders because he is not bold enough to do so. Poirot says he wants to finish their conversation with Simon about the telegram, but first he wants to talk with Tim Allerton. When Tim enters the cabin, Poirot tells him that his friend at Scotland Yard has been telling him about jewel thieves that are switching the real pieces out for imitations. Poirot's friend thinks it is two people with social status. In other words, it is in an inside job. Poirot tells Tim that Joanna mailed him the imitation pearls in a hollowed out book. He hid the real pearls in his rosary beads that unscrew. Tim admits that he switched out the real pearls for the imitation ones the night of Linnet's death but says he doesn't know...