"What?" In Tokyo, after receiving Gao Cheng''s phone call, the two men in the service department immediately glared, "son?! Are you sure? "


    "It can''t be wrong," Gao Cheng said, looking at Dahe Daren Zhu on the side and continuing to contact him by telephone. "The specific situation will be discussed later. There is not much time left. If Mrs. song is likely to be killed after Mr. Yulang, now only you can stop her!"


    "What''s the matter..."


    Conan had not had time to think about it, but his face changed and he looked in the direction of the study.


    "Well," Mu Mu finally took the door of the study, "I will let two policemen stand by at the door of the room, if there is anything, please tell them."


    "All right."


    Mrs. ruosong watched her eyes leave wearily. After the door was closed, the surroundings suddenly became cold and quiet. After a while, Mrs. ruosong''s fatigue disappeared and she couldn''t help laughing.


    "Wait!"


    Conan Obuchi suddenly opened the door at the same time and rushed into the study, looking at Mrs. Rusong with a frozen smile.


    Just now, they have asked the identification personnel to check the place where the victim''s fingers may touch. As a result, the poison residue was found on the door handle outside the victim''s room. Moreover, the prisoner accidentally spilled it on the floor and his own slippers. They are planning to ask the police to check everyone''s slippers.


    The Ministry of clothing collapsed its eyelids.


    "What''s the matter with that guy in Chenghu? How do you think about this lady..."


    "It should be the crime of shielding," Gao Cheng''s voice continued to ring on the phone, "or there are other crimes, but the killer is not her."


    "Ha?"


    The service department turned on the hands-free and growled, "why do you say that?"


    "I''ve been thinking about why someone sent you that letter, especially in Osaka to remind you of the secret of ceramic tile exchange, and why a homicide happened when you came, or why the criminal wanted to kill Mr. Yulang even though he knew there was a detective coming in advance..."


    Gao Cheng rubbed his ears and explained: "there are two possibilities. The sender hopes you can find out the murderer of the president, and the sender hopes you can prevent Mr. Yulang from being killed. The premise is that the sender is not the murderer of Mr. Yulang, that is, as you think, Mrs. ruosung killed someone."


    In the study, Mrs. ruosung''s face became stunned with a frozen smile, and other people also gathered.


    "What''s the matter? Is it not to restore the scene? " One of the directors was puzzled.


    He ye heard the voice and asked, "is it the phone call from Chenghu?"


    "Chenghu?" Secretary, maids look at a loss, "who is the city households?"


    "Chenghu Gaocheng is as famous as my father," Xiaolan explained with a smile. "Chenghu senior went to qingjingze to investigate the scene of President Rusong''s murder."


    "Hum." Maori Kogoro lengthened his face discontentedly.


    They all went to qingjingze, and they came to take part in his case


    "It seems right to think of Mrs. ruosung as the murderer of Mr. Yu Lang, because she covered Mr. Yu Lang up at the scene of the president''s murder. I''m afraid she was hiding at the scene with the murder weapon at that time..."


    Gao Cheng''s voice is clearly heard through the telephone in the study, as if bringing everyone back to the scene of the first incident.


    "If Mrs. song didn''t know why, she not only hid the death message after leaving the maid, but also took the opportunity to let Mr. Yu Lang cry with the president''s body, so that there would be no doubt that there were blood stains on her body. Of course, the murder weapon was also disposed of separately. Afterwards, she decided to transform the bathroom to completely eliminate the traces. No one would think of the kind of ceramic tile that actually used visual deception..."


    The clothing department frowned and said, "it may not be clear if you are not here. We have found clues. The murderer sprinkled poison powder on Mr. Yulang''s door handle, as if his slippers were stained with it. Just check everyone''s slippers..."


    "If you change it secretly, you can frame it."


    "How can this be done? You can do this without being doubted... "


    "Outside the toilet."


    Gao Cheng checked in the toilet of the villa and said, "there are slippers in the toilet of qingjingze villa. I think it''s the same in Tokyo, right? And the most important thing is that since Mr. Yu Lang likes to eat cakes with his hands, he may wash his hands in advance, even if only once, which will lead to the failure of the prisoner''s plan


    "Or has Mr. Yu Lang never had this habit?"


    "This..."


    The clothing department''s face changed, and he looked at all the people in the ruosung family.


    "By the way," he recalled, "Xiao Lan and I went to the toilet at that time. Mr. Yulang just came out of the toilet and went to the living room. He also asked us," I heard Mr. Ji Ming''s voice. Did he bring the ring cake? ", And he said it while wiping his hands


    "How, how could that be?" Garbu and Conan looked at each other, sweat oozing from their faces.


    "That''s to say, the poisoned one is still cake?"


    "But at that time, there were still two pieces of ring cakes in the tray. They were the same size and shape. How could that stupid young master... Let Mr. Yulang get them? Is there really such a way? "


    "Of course." Gao Cheng took his cell phone and said with a smile, "have you forgotten? The visual illusion that has been used several times, as long as the same two cakes of the same year are put out according to the situation at that time, we can see why Mr. Yulang chose the second one. "“ "Gastrow illusion," said zhuv Gaoming, who had been silent all the time. "Is detective Chenghu talking about the illusion phenomenon discovered by a psychologist named gastrow more than 100 years ago? Indeed, because the ring cake is a ring, if two pieces of eight equal parts are placed in parallel, even if the size is the same, there will be a contrast due to the different lengths of the inner and outer arcs. As a result, the inner one looks larger... "" well, it''s almost like this... "Gao Cheng looks slightly surprised. He just analyzed the crime scene through thinking space, and the fact is the basis of judgment“ In a word, the only ones who can use this method are the maid who cuts the cake, the secretary who loads the tray, the designer Teng Bo who stands beside the tray at that time, and the director who is a member of the board Gao Cheng''s eyes are solid“ And only Mrs. ruosong who has not been close to you will be ruled out by the police. At the same time, she will also be suspected by you, a famous detective in high school. I think the real murderer will probably remind you that the doorknob is poisonous and guide you to point the target at your wife. This is also the reason why we have to do it today“ See you just flustered appearance, if loose madam is a person to stay in the room? If you don''t guess wrong, you will probably commit suicide soon. Maybe the suicide note is ready. Although I don''t know what method the prisoner is going to use, I''m afraid the wife will be poisoned and die. "“ You mean this time the murderer is the sender? " The service department looked at Mrs. Rusong, who had turned pale in the study. "Why on earth?"“ Revenge and silence, "Gao Cheng said calmly." of course, it''s just my guess. However, if Mrs. song is afraid that she doesn''t want Mr. Yulang to continue to live, then she can explain why she deliberately kept away from him when sharing the cake. Maybe Mr. Yulang''s death was already in her expectation. "“ Does she know? " The eyebrows of the clothing department beat continuously. Come on, how does this guy know so well? Obviously not at the scene... Should not hide somewhere? The service department looked around suspiciously“ It''s strange, isn''t it? " Gao Cheng continued, "how can the murderer know about the tiles? He has never been to the scene, but he seems to know that Mr. Yulang is the murderer who killed the president. Either the murderer finds out the truth himself or someone reveals it to the murderer." The clothing department looks at Mrs. Rusong, who looks ugly and sweats, and doesn''t need to verify it. Who the hell is the killer?! Mu Mu can''t help but ask: "brother Chenghu, who is the murderer..." "there are four suspects, but they can arrange the time for the guests to visit, and make the number just meet the number of people who can make the annual ring cake equal to eight." Gao Cheng looks at his watch, "there is only one person."“ Secretary, Miss Zuo Zhu? " All the people at the scene except Mrs. ruosung froze, and even the pupil of secretary Zuo Zhu, who had been calm, suddenly enlarged.