Chapters 9 and 10 Summary

Dr. Roberts is visited by both Superintendent Battle and Hercule Poirot. The Superintendent visits him first and asks general questions about the doctor's practice and his personal life. Dr. Roberts is very affable and answers all questions without reservation. Despite not having a search warrant, Battle requests permission to look through the doctor's personal and professional files. Dr. Roberts agrees without reservation. In fact, he gives the Superintendent his keys and allows him total privacy as the doctor has to leave on rounds. This tells Battle that he will find nothing suspicious, and indeed he does not. When he is done with the files, Battle then interviews Miss Burgess, the doctor's secretary. Battle is clever and is able to get Miss Burgess to reveal the difficulties the doctor has had with Mrs. Graves, who thought she was being poisoned by her...