Chapter 4 Summary

An hour after the scene of the crime has been investigated and Mr. Shaitana's body removed, Poirot, Superintendent Battle, Colonel Race and Mrs. Oliver begin the process of sorting through the clues and possible evidence in order to identify the murderer. It comes out that Mr. Shaitana had set the dinner up specifically to put his collection of murderers on display for Poirot. Mrs. Oliver believes Dr. Roberts to be the guilty party, based solely on her instinct. Superintendent Battle kindly insists that in real life they must approach the process differently. All four sleuths agree to question the suspects together, starting with Dr. Roberts. Battle handles the bulk of the interrogation, asking routine questions about how well Dr. Roberts knew his host and his card playing companions, with the answer being that he did not know Mr. Shaitana well at all and...