Summary

In “Conclusions,” Poirot told Carla that it was because of the evidence that Williams had kept to herself--that she had seen Caroline wiping the fingerprints off the beer bottle--that he knew that Caroline was not guilty.

In “Poirot Asks Five Questions,” Poirot asked each of his suspects one final question before presenting his finding. He finds out that Phillip had really had a secret love for Caroline. He learns from Meredith the order in which his guests left the laboratory, even using jasmine scent to bring back his memory. He learns that Meredith had asked Elsa to marry him after Amyas’ death, and that Angela was indeed injured by a paperweight, not a crowbar as Phillip had suggested.

In “Reconstruction,” Poirot had all five suspects gather together in the former laboratory at Meredith’s house. He began to explain how he had come to...