John Hampstead was lying on his couch and was thinking something with high concentration. I sat beside him to observe his concentration. After half an hour when John opened his eyes, he was surprised by seeing me and said, “Welcome Morish”. I asked him, “What were you thinking”. John passed me a newspaper report which says, “Magic of Duncan”. I asked john, “Who is this Duncan?”. John said, “Duncan is a most famous criminal because of his style of murder”. He understood by seeing my face and said,” Duncan is now in jail but the most stunning fact is that after he went to jail, around twenty people have been murder in the same manner even though Duncan is in jail”. John and I were about to light the cigars, Suddenly, there was a knock at the door. I was surprised but John seemed to not. John told, “Mr. Rolf please enter”. Mr. Rolf was the inspector of New York. Mr. Rolf seemed to be surprised and tensed. I knew the reason of surprise but did not know the reason of tension. Mr. Rolf sat on the sofa which was kept near the television. Mr. Rolf started his conversation with us. He said that again there was a murder in the similar manner, and no one is able to find the culprit. John asked,” How is Duncan now?”. Mr. Rolf said,” he is very much fine and is continuously saying that he will never...