"Really? The deceased got caviar on his hands in Box 3. Instead of going to the bathroom to clean them, he rushed to Box 8 to wait for someone? Was he in such a hurry? He didn't even have half a minute?"
Shizuo Komemon moved his wrist and walked towards Professor Iwama, putting a hand on his shoulder and exerting slight pressure.
"Let's think about it carefully. My patience is limited."
Professor Iwama's heart was beating violently, his eyeballs were trembling rapidly in his sockets, and his brain was running rapidly, trying to come up with a reasonable explanation.
But before he could open his mouth, he heard a voice - "Ah?"
Everyone heard the sound and looked around, only to see Conan holding a briefcase and squatting there flipping it, "Professor Iwama, you actually have a tape recorder in your briefcase? What is it for?"
And I remember that when the deceased left Box 3, the food had not been served, right? How did he come across the caviar? It looked so magical~"
Professor Iwama's face suddenly turned pale, "Where did you come from, kid? Who asked you to rummage through my things?"
As he said that, he wanted to grab his briefcase, but Shizuo Komemon held him down and couldn't move at all.
"Are you going to continue to quibble? Continue to waste everyone's time?" Shizuo Komemon said coldly with a kind face.
"Then tell me, how do you explain my alibi? How did I come here to kill people?"
Professor Iwama could still be tough, but his face showed more reluctance.
Shizuo Komemon sneered: "Why should I know that kind of thing? I will explain it to myself slowly after entering the interrogation room."
"You are threatening and intimidating!" Professor Iwama panicked.
"So what? Takagi, go close the door..."
"That's it, right?"
Just as he was talking, Conan's voice suddenly sounded, interrupting the anxious atmosphere.
I didn't know where he got ice cubes, paper bags for chopsticks, rubber bands and pins from Professor Iwama's briefcase, and spent a long time tinkering at the window.
Everyone watched as the ice cubes melted, soaking the paper bag, and then suddenly broke, and the rubber band closed the window with a bang.
"So that's it!" Shiratori Rensaburo suddenly realized, "If you cooperate with the tape recorder to play the pre-recorded sound, you can pretend that you are still in box three!"
"Conan, how did you know?" Mao Lilan asked curiously.
Conan scratched his head and leaned over to her very calmly and whispered: "I just called Brother Shinichi and he told me~"
Mao Lilan believed it immediately.
"Professor of physics, right? Are you good at designing small mechanisms like this?" Shizuo Komemon grabbed Professor Iwama's collar, "It's time to get off work now, don't waste your time by dilly-dallying!"
His ruse was seen through by the primary school students at a glance, and Professor Iwama's psychological defense suddenly collapsed. After Shizuo Komemon released him, he suddenly knelt on the ground with a look of bitterness and unwillingness on his face.
"That's right, I killed him. I hid in the large wooden boat that delivered food and followed the canal into Room 8.
I killed him because he knew that I published students' papers under my own name. Not only was it not enough for him to threaten me to help him get promoted to associate professor, he also extorted 50 million yen from me.
I was afraid that he would continue to get worse and worse, so there would be no end, so..."
Shizuo Komemon was a little speechless. What's wrong with these murderers? They just like to listen to mystery shows and then like to confess.
Did I ask you this? Just go to the Metropolitan Police Department and explain it slowly.
After Professor Iwama finished speaking, he looked at Shizuo Komemon with a bit of hysteria and confusion.
"Why did it fail! I made so many preparations and designed such a perfect plan. Why did you suddenly become suspicious of me?"
He had just provided an alibi, but the result was that this man let his men search him without any reason, as if he already knew he was the murderer.
"There are so many reasons. I have no obligation to answer your questions."
Anyway, Komemon Shizuo couldn't explain the Mori elimination method clearly, and even now Shiratori and the others are still half-convinced, let alone outsiders.
Rensaburo Shiratori, who was on the side, thought for a while and suddenly said: "I have analyzed and summarized your case-solving methods of the Gumeimen Police Department before, and I have gained a lot from this.
If a case involves trickery, it means that the murderer is trying to confuse the public and try to clear himself of suspicion.
And trying to eliminate one's own suspicions just means that the murderer is suspected, either he knows the deceased, has an easily verifiable motive for the murder, or he has been at the crime scene."
Shiratori Rensaburo said, pointing to the knife on the chest of the deceased, "The murderer brought his own weapon, which was obviously premeditated. Otherwise, if it was a passionate killing, the murder weapon should be inherent at the crime scene or something the murderer carried with him.
It can be seen from this that the murderer in this case will not be a stranger who is not familiar with the deceased. For example, Miss Anxi Kyoko has been to the scene, but she cannot be the murderer.
Since it is confirmed that the murder was premeditated, the murderer is obviously between the two of you who were traveling with the deceased.
As for the alibi of the two of you, it is obviously Professor Iwama's who is more likely to fake it, and it was your order for Professor Arai to buy cigarettes.
Gumeimen Police Department, you were right in thinking like this just now, right?"
"Well, almost..."
Shizuo Komemon responded vaguely, "Did I think so much just now? Why do I have no memory like Detective Mori..."
Shiratori Rensaburo was so affirmed by him, and he immediately felt that his efforts during this period were in the right direction. At least he had a deeper understanding of the investigation ideas of this case.
Professor Iwama opened his mouth, with a gloomy look on his face. He tried his best, but it turned out to be useless. The police had a complete set of analysis methods, so what he did was trying to cover up.
"Your doubts have been resolved. I have something to ask you." Shizuo Komemon suddenly spoke. He rarely asked questions, but at this time he was really curious.
"How did you kill the dead man without spilling any blood on him?"
Logically speaking, if a knife hits the heart, blood should spurt out.
Professor Iwama laughed at himself, "This is one of the preparations I just mentioned. In order to avoid getting stained with blood, I studied and practiced for a long time.
There are two situations that can reduce the probability of blood spurting from a knife in the heart. One is to try not to move the dagger after inserting it and not expand the wound.
The other is that the blood pressure in the right atrium is one of the lowest places in the body. Puncturing this place will also kill people quickly, but it will not cause blood to spray everywhere."
After hearing this, everyone observed the crime scene, and sure enough, the blood was flowing out along the clothes of the deceased. The amount was large, but the blood was everywhere.
"Not only that, I also specially ordered blood clams. If I accidentally get a little blood, I can use the blood on it to cover it up and confuse the detection of luminol.
But I didn't expect that because I was too focused on killing, my mind was all on the angle and position of the dagger, and I didn't notice the caviar on my body...
If there hadn't been this accident, I probably would have been able to clear my suspicions."
There are so many loopholes in this case that it’s really hard to round it up. He killed someone in a white shirt without wearing gloves. As a result, he left without a drop of blood. I can only reluctantly explain it this way. Just pretend that the physics professor is awesome. No need.
