Zhou Ziyang on the side also asked curiously: "Sister Yun, why are these two people suspicious? I think that Kazuya from the Department of Architecture is very familiar with ancient buildings, especially temple structures, which is conducive to committing crimes; while Yota Ando from the Department of Archaeology is very familiar with horseshoe gold, and he also likes to collect cultural relics, so he has great motives!"

Lin Lei's eyes also turned to Lu Yun, wanting to see how she explained. Pen "Fun" Pavilion www.biquge.info

Lu Yun smiled slightly and explained: "Let's talk about Yota Ando from the Department of Archaeology first. Yes, he did have a great interest in antiquities -- but don't forget, everybody has a great interest in money. The horseshoe gold of the temple in the mountains can be easily realized, one can be circulated in the international underground cultural relics collection market, and the other is that if the wind is too tight, it is really not easy to sell, and it can be sold when melted into gold. ”

After a pause, Lu Yun continued: "Yota Ando is just a student of the Department of Archaeology, and compared to the other suspects, his major has no direction for this case. ”

Lu Yun said very reasonably, Yota Ando's suspicion should be the smallest at present.

Lin Lei nodded and glanced at Lu Yun appreciatively: "Yes, it's true, you continue." ”

Lu Yun opened a bottle of mineral water on the table, took a sip, and then said, "Next is Kazumata." His suspicions and Yota Ando should belong to the same grade, and they are both very low. ”

As soon as Lu Yun finished speaking, Zhou Ziyang shook his head again and again: "Sister Yun, you said that the big fat man and Yema Tai? I think he is very suspicious! He studied architecture, and I heard that he has studied ancient temple architecture very much. If you are very familiar with the structure of Yamanaka Temple, it will be very convenient to commit crimes!"

Lu Yun smiled and shook his head, and said, "Yes, Kazuma is very familiar with the architectural structure of this ancient temple like Yamanakaji - but so what?"

Zhou Ziyang frowned, thinking about what Lu Yun said.

Lu Yun didn't wait for Zhou Ziyang to think carefully, and continued: "We have already checked the situation of the Yamanaka Temple in detail, and the Gunma County police have also done a very detailed on-site investigation. There are no secret passages, no tunnels, no walls, not even wells, and even if you know the structure of the building, it will not help this secret room murder case. ”

After Lu Yun finished speaking, Lin Lei couldn't stop nodding.

Indeed, as Lu Yun said, just knowing the structure of the building, I am afraid that I will not be able to do this murder case in the secret room of the mountain temple.

Maybe some specific buildings, such as castles, manors, etc., have secret passages, and people who know the structure of the building can design a "locked room murder".

But that's not the case in this case.

The structure of the Yamanakaji Temple is normal, and there are no secret passages at all.

Therefore, the professionalism of Yota Ando and Kazumata is not helpful in "designing" the closed room murder case, and their suspicion is naturally the lowest level.

Lin Lei glanced at Lu Yun and said, "Lu Yun, you continue." ”

Lu Yun nodded, thought for a moment, and said in a low voice: "Masaki Kawamoto's major is biology, and he has a deep research on animals and plants. It's really ...... about him."

Zhou Ziyang pricked up his ears and asked, "What is it?"

Lu Yun smiled bitterly and shook her head helplessly: "Biology is broad and profound, and I am not Baidu Encyclopedia." Therefore, Masaki Kawamoto's suspicion cannot be assessed, and can only be regarded as an X-element. ”

"Element X?" Zhou Zi raised his eyebrows and furrowed slightly, as if he had never heard of this word.

Of course, Lin Lei understood the meaning of the X element in Lu Yun's mouth, and explained: "X in mathematics, many times it means unknown. Lu Yun said that the X element, what she wanted to express, was 'unknown'. ”

As soon as Lin Lei explained this, Zhou Ziyang immediately understood: "Oh, so that's the case." ”

Lu Yun continued her analysis: "The suspicion level of Yota Ando and Kazumata is low, the suspicion level of Masaki Kawamoto is unknown, so it can be counted as medium, and the suspicion level of Shiho Tanabe and Kosuke Akai in the end is high. ”

Zhou Ziyang nodded slightly, and said approvingly: "Well, Shiho Tanabe is a pole vaulter who has the ability to jump out of a three-meter-high wall with the help of tools. And Akai Kosuke studied mechanics, so if he designed some kind of exquisite mechanism, it would be no longer a problem. The two of them are very suspicious indeed. ”

Zhou Ziyang was not stupid, what he explained was not much different from what Lu Yun was going to say, so Lu Yun didn't continue to explain, but looked up at Lin Lei: "Lin Lei, this is my analytical reasoning, what do you think?"

Lin Lei smiled: "Your analysis is correct. At present, the suspicion level of these five suspects is indeed in such an order, and Shiho Tanabe and Kosuke Akai are the most suspicious. ”

Hearing that Lin Lei agreed with his analysis, Lu Yun let out a long breath: "You agree with me?"

After a pause, Lu Yun seemed to be a little unconfident, glanced at Lin Lei faintly, and sighed: "Alas, I have not had much self-confidence after staying by your side for a long time as a reasoning maniac...... Every time my reasoning seems to be fine, it's actually a big problem. In the cases you solved before, the truth is always unexpected. ”

Lin Lei shook his head and disagreed: "Lu Yun, don't be presumptuous. Your reasoning is the right way to handle most cases. If you think about it, the cases I encountered before were all cases that the police had not solved for a long time. This shows that the right path does not work, and another way needs to be found. In fact, there is not necessarily one in a hundred such cases, which does not mean anything. In the vast majority of cases, your reasoning and analysis are not problematic. ”

After Lin Lei comforted Lu Yun for a few words, Lu Yun's interest was completely relaxed.

"If it's a solo crime, then the suspicion level is roughly the one I mentioned above. However, if it is a gang, two people, three people, four people, or even five people commit the crime in a gang, then there are too many possibilities to analyze at all. ”

Lu Yun brought up the concept of "gang crime" again, which is obviously very possible.

If two people commit a crime, there are several possibilities.

If three people commit a crime, then there are more possibilities......

Not to mention that four people commit a crime, or even five people join forces to commit a crime, then the criminal modus operandi is very complicated, and it is impossible to deduce it at all.

Lin Lei frowned, and after pondering for a moment, he spoke: "Yes, there are many possibilities in this case, and the truth is hidden under the fog, and it is not clear at all. No matter how many people commit the crime, the key point of the 'secret room' must be solved. If this case can solve the mystery of the secret room, everything will be solved. The focus of everything is still the murderer's method of escaping from the escape room. ”

As soon as Lin Lei's words landed, the three of them fell into silence.

After such a detailed on-site investigation, there is no trace of physical evidence in the mountain temple, so how to solve the mystery of the secret room?

It doesn't seem to be a solution at all!

Lin Lei thought for a long time, then suddenly raised his head and said to Lu Yun: "There is a key person in this secret room murder case in the mountain temple, do you know who it is?"

"Key person?"

Lu Yun frowned slightly, and after thinking for a moment, he asked tentatively, "Are you talking about the innkeeper, Zuojiang Fujioka?"

Lin Lei stretched out his thumb and said with a smile: "You're right, it's him...... I'll ask him about it, and you can help me look up some information in my room. ”

Lin Lei casually picked up the notepad on the table, wrote down a few words with a pen, and then handed it to Lu Yun: "You help me check the information about this." Be sure to check carefully, and ask for the most professional information......"

Lu Yun originally wanted to go to Zuojiang Fujioka with Lin Lei, but now that Lin Lei said that he wanted to check some information, it was obviously about the case.

Lu Yun took the notepad and looked at it, frowning: "You want to check this?"

Lin Lei said "um": "Check it in detail, especially the latest materials." ”

Lu Yun nodded and said, "Okay, I know." ”

Lin Lei turned his head to Zhou Ziyang and said, "Ah Yang, you go to Tokyo and investigate the background of these five students from Ota University." Their family situation and interpersonal relationships should be investigated - with General Dato's connections in Tokyo, there should be no problem in investigating these people, right?"

Zhou Ziyang nodded again and again: "No problem." Just check the background of a few college students, General Datuk has acquaintances at the Tokyo Metropolitan Police Department, and there is no problem at all. ”

"That's good, you're ready to go!"

Zhou Ziyang replied, "Okay." ”

After the arrangements were made, Lin Lei came out of the room and walked straight to the lobby of the Cloud House Hot Spring Hotel.

Zuojiang Fujioka was writing and counting on the bar, when he heard footsteps, and when he looked up, he found that it was Lin Lei: "Mr. Lin, do you need anything?"

Lin Lei walked up to Zuo Jiang Fujioka and said very politely: "Mr. Zuo Jiang, I have something I want to ask you about, is it convenient for you now?"

Zuoe Fujioka was stunned: "Convenient, what's inconvenient? There was a case in Yamanakaji just now, the tourists have left, and only the five college students from Ota University and you are still ...... in the hotel."

While speaking, Zuoe Fujioka came out of the bar and locked the drawer of the bar: "Mr. Lin, what is the matter with you?"

Lin Lei pointed to the courtyard outside the lobby: "Mr. Zuo Jiang, you come with me-"

Lin Lei took Zuojiang Fujioka to the courtyard, which was surrounded by bamboo, and there were several small stone tables and some stone benches.

Lin Lei sat on a stone bench casually, while Zuojiang Fujioka made a cup of tea for Lin Lei, brought himself a cup casually, and sat opposite Lin Lei.

Cloud House is a hot spring inn, and this small garden is a place for guests to relax after soaking in the hot springs.

There are no people in the hotel now, and it seems relatively clean all around.

Lin Lei picked up the teacup and took a sip: "Mr. Zuo Jiang, I am a police officer of the Interpol Organization, and I am very interested in the case that occurred in the Mountain Temple - of course, I have no jurisdiction over this case. I'm just out of professional curiosity, that's all. I'm sure you also know that the murder of Master Foolish is a case of murder in a closed room, right?"

Zuoe Fujioka already knew Lin Lei's identity before, and because of Officer Miki's relationship, the identities of Lin Lei and Lu Yun were not a secret.

Zuo Jiang Fujioka looked at Lin Lei, his eyes narrowed slightly: "Officer Lin, what do you want to ask......"

Lin Lei said with a smile: "Mr. Zuo Jiang doesn't have to be nervous, I'll just ask." As for the Ota University students, do they often come to Kiriyu Mountain to fish?"

Saoe Fujioka nodded and said, "Yes." They are all regular customers and come often. ”

"Do you stay at this hot spring hotel of yours every time?" Lin Lei continued to ask.

"Well, stay here with me every time. Saoe Fujioka thought for a moment, "Because they are all fishing enthusiasts, they come here to fish, not to soak in hot springs." Since they are regular customers and students, as long as it is not the peak tourist season, I will give them a discount, and the room rate is very cheap. ”

Lin Lei thought for a moment, and then asked, "Why don't they stay in the hotel on the mountainside and under the mountain?"

Sae Fujioka blurted out: "Because of fishing! The most suitable place for fishing in Kiriyu Mountain is the top of the mountain." The mountain is steep, and there are more fishing spots near the summit. ”

"I see. Lin Lei nodded slightly, indicating that he understood.

"Do these people often go to Yamanakaji except fishing?"

"Well, basically every time they come to fish, they will go to the mountain temple to worship the Buddha. ”

After a pause, Saoe Fujioka continued: "The mountain temple is dedicated to the mountain god, and everything in the Wutang Mountain is in charge of the mountain god, so it is also the right thing for them to go to worship the Buddha. ”

Fishing is also considered to be grabbing resources from nature, and it is reasonable to worship Buddha.

Lin Lei had an idea in his heart.

The so-called murder case in the closed room where Master Yuji was killed in Yamanakaji was indeed quite "perfect", leaving no obvious evidence.

The "secret room killing" in many film and television dramas seems exquisite, but in fact, many of them can't stand scrutiny.

To really make a more perfect "closed room murder case", it takes a lot of experiments.

Take the most common "fishing line secret room murder case" in Conan as an example, whether the strength of those fishing lines that go around and around is enough, and whether it can accurately ensure the effect of "creating a secret room" is not necessarily.

After all, there is no guarantee that there will be no accidents.

Killing, that's a big deal.

It is impossible for ordinary people to do such a thing in their lifetime, and since the murderer has decided to kill people, and has also decided to design it as a "secret room killing", then he will definitely consider using the most "safe" criminal methods.

To put it simply, it's all about being foolproof.

Don't kill them when the time comes, if you make a mistake in the design of the secret room, you will be blind.

Speaking of this case, Lin Lei is almost certain that no matter what method the murderer used to complete the scene of this "murder in a closed room"-

He'll be sure to experiment multiple times to make sure nothing goes wrong!

However, the current situation is obviously not directional, and the five suspects have come to Wutang Mountain many times to fish, and they have also been to Yamanakaji Temple many times.

All of these five people are in line with the situation of "rehearsing the case" in advance and preparing for various tests.

Lin Lei frowned and fell into deep thought......