You're lucky you didn't see her, doctor. We had to keep the worst thing of all out of the newspapers, but I can tellyou. The girl was pregnant He her up, and he cut up the baby, too. a cold hand touch me. He will kill twice tonight. What did you say?' "Oh, nothing. What are you doing to catch him? "What can we do? Nobody heard a scream or saw anything. He looked again at the telegram. "Who is this "M"?" he asked. Oh, he just means the murderer,' I said. After Lestrade left, I tried hard to think of some other way of explaining what I had seen that night. I had seen Holmes cutting up the body, but I had not seen him kill the girl. How could my dear friend possibly be this terrible killer? Perhaps it was all part of some clever plan that I did not understand. For some days I thought I had found an answer to the problem, but then a telegram arrived from Holmes, who was now in Switzerland. It said, "Mis no more. Returning Saturday Holmes." Suddenly I realized that I was afraid of seeing him again, and my worry returned, stronger than ever. Was he the killer or not? I had to know the truth-and quickly. To help me think clearly, I wrote down what I knew. Is Sherlock Holmes the Whitechapel murderer? The arguments for: i He was in Whitechapel on the nights of the murders, and alone at the right times. 2 When he was out of London or I was with him, there were no murders.