Summary

In Chapter 31, Poirot talks with the inspector and Dr. Thompson about the case. They say that the only defense for Cust is insanity. Dr. Thompson tells them that Cust also suffers from epilepsy. There is a question on whether or not he knows that he committed the murders, but that theory does not hold up because when someone writes letters it is clear that the act is premeditated. Poirot does not feel that the case will be solved until he can understand why he, Poirot, was picked as the recipient of the letters. There is one piece of Cust’s story that does not hold up; during the Bexhill murder, there is a witness that he was at a hotel in Eastbourne playing cards. Poirot thinks he can get to the bottom of why, but he needs to assemble the Special Legion, which...