"You say Yang Lixin is likely to be the murderer? Have you found a new clue? Ma Jun asked.

"I just called the hospital and confirmed something." He Jiahui paused, and then said: "In fact, there is a key point in this case, which we have not paid attention to. ”

"What's the key?" Ma Jun asked.

"Sevoflurane!" Ho Ka-fai continued: "Sevoflurane was detected in every deceased person, and we don't seem to have paid attention to the source of sevoflurane in the deceased's body. ”

Ma Jun explained: "It's not that we didn't pay attention to it, we checked it, but we didn't find the results." Sevoflurane is a very common inhalation anesthetic that can be used to anaesthetize a person.

Although this thing is a controlled drug, it is so common that those who sell drugs on the illegal black market have this kind of thing in their hands, so we have no way to determine the source. ”

He Jiahui smiled slightly and said: "I just asked the doctors in the hospital, sevoflurane was indeed used often in the past few years, but in recent years, our hospitals in Xiangjiang have basically stopped using sevoflurane.

Because the adverse reaction rate of sevoflurane is very high, and there are some more serious adverse reactions, such as malignant hyperthermia can lead to rapid renal failure, such as arrhythmia can lead to ventricular fibrillation and cardiac arrest.

These adverse reactions can be life-threatening to patients, so hospitals have switched to safer anesthetics. But pet hospitals that treat pets are still using sevoflurane! ”

"Pet hospital? Yang Lixin's father opened a pet hospital! In other words, Yang Lixin has a channel to get sevoflurane. Ma Jun immediately linked the two things.

He Jiahui nodded, and then said: "Yang Lixin's suspicions are more than that. He was one of the eight suspects after the investigation at the scene of the death of the deceased Liu Baorui.

In addition, the fourth deceased, Cai Zhixiang, was found near the pond where he died, and traces of wheels were found, which were suspected to be left by the tools used to transport the victims, which is also the basis for my suspicion of him. I remember you said at the time, that tool is suspected to be a suitcase, right? ”

Ma Jun nodded: "What does the suitcase have to do with Yang Lixin?" ”

"Think about it, who pushes a suitcase and won't be suspected?" He Jiahui asked.

"Tourists? Or is it a freshman? In the past, the kind of salesman who came to sell products would also carry a suitcase, but now that industry has disappeared! Ma Jun said.

"You're missing one kind of person, and that's lawyers!" He Jiahui said.

Ma Jun thought about it carefully, it was really like this, a suitcase is an indispensable tool for lawyers, and sometimes one suitcase is not enough, and two or three have to be used.

Lawyers have to carry a large number of files when they go to court, and on Xiangjiang Street, if you see a person who is very well-cut in a suit and pushes a big suitcase, he is a lawyer nine times out of ten. There are many well-known barristers, and there are several masters and younger brothers who are responsible for carrying suitcases.

He Jiahui continued: "Yang Lixin is a graduate student in the law department, and it is only natural that he carries a suitcase with various legal documents and files, and no one will doubt him. And he can also send this suitcase to transport the victims. ”

Ma Jun nodded suddenly.

Ho Ka-fai continued: "We can re-examine the whole case. The way in which the first three victims died, let us deduce that it was the murderer who was killing people using the five elements.

And then we found Zhang Xingjie through Professor Wei. Then we found the mobile phone of the third victim in the garbage heap where Zhang Xingjie lived, so we decided that Zhang Xingjie was the murderer.

But what if Zhang Xingjie was blamed by the real murderer? The real murderer knew that Zhang Xingjie was interested in the five elements, so he used the five elements technique to kill the first two people, and when he killed the third person, he deliberately led Zhang Xingjie to the scene of the crime.

When we began to record a confession to the suspect, the murderer deliberately blurred the time of Zhang Xingjie's departure in the confession, making us suspect Zhang Xingjie, and then put the third victim's mobile phone in the garbage heap near Zhang Xingjie's house to guide us to investigate Zhang Xingjie! ”

"According to your inference, coupled with the suitcase, and the ability to obtain sevoflurane, this Yang Lixin is really very suspicious." Ma Jun paused, and then said: "But these are just inferences, we still need evidence." ”

"If the suitcase is really a tool for transporting the victims, then there may be traces left in the suitcase." He Jiahui said.

"I understand, I'll immediately apply for a search warrant and let the forensic examiner check Yang Lixin's suitcase." Ma Jun said.

He Jiahui continued: "In addition, we have to send someone to keep an eye on Yang Lixin, I think he will commit crimes soon." ”

"Why do you have such a judgment?" Ma Jun asked.

He Jiahui opened his mouth and said: "Jinmu, water, fire and earth, there are only four victims now, and it is obviously premeditated, and the murderer should have a fifth target."

There was an interval of three weeks between the first two victims, about two weeks between the third victim and the second victim, and only four days between the fourth victim.

This shows that the speed of the murderer's crime is accelerating, and I think the murderer should have sensed that we were about to find him, so he accelerated the speed of the crime.

If Zhang Xingjie was really blamed by the murderer, then according to the murderer's plan, our attention was attracted to Zhang Xingjie, so as to ignore him.

But the murderer certainly did not expect that Zhang Xingjie was hospitalized with acute appendicitis on the night of the crime, which is equivalent to ruling out the suspicion of Zhang Xingjie's masterpiece.

Then the murderer will realize that his plan to blame him has failed, and he will inevitably speed up the crime. Maybe tonight, the murderer will commit the crime for the fifth time! ”

"I see." Ma Jun nodded: "I'll send someone to keep an eye on Yang Lixin immediately!" It's better to be able to catch the current. ”

……

When he was about to get off work, when Ma Jun came to He Jiahui's office again, his expression was a little solemn.

"Yang Lixin is gone!" Ma Jun said.

"What does it mean to be gone?" He Jiahui asked.

Ma Jun replied helplessly: "We went to the school and Yang Lixin's house respectively, but we didn't find Yang Lixin. So we went to ask Yang Lixin's parents, and they said that Yang Lixin packed a few bags and said that he would not go home for the past two days.

The reason given by Yang Lixin was that the mentor gave him the opportunity to participate in a big case, and he temporarily went to live outside in order to perform well and keep the case confidential.

We went to the school again and found Yang Lixin's mentor, who told us that there were no big cases. And Yang Lixin said that there was something at home, so he asked his mentor for three days off. ”

"Did you run away, or did you hide?" He Jiahui frowned slightly, and then asked, "Yang Lixin's suitcase, have you found it?" ”

"When Yang Lixin left, he was carrying a suitcase. Therefore, there is no way to collect evidence for the suitcase. Ma Jun said.

"Yang Lixin asked for leave, on which day?" He Jiahui asked again.

"According to his mentor, Yang Lixin asked him for leave the afternoon before yesterday, while his parents told us that Yang Lixin packed his bags and left the house yesterday morning." Ma Jun said.

"Oops, he's got a suitcase, and he's probably going to target a fifth target!" He Jiahui gasped and continued:

"He took three days off, yesterday was the first day, today was the second day, and tomorrow was the third day, and these three days should be the time for him to start."

"If that's the case, then he must be found as soon as possible! But we don't have conclusive evidence to identify him as the murderer, so we can't apply for a wanted warrant! Ma Jun said.

At this moment, there was a knock on the door, and a middle-aged man pushed the door in.

"Ma sir, I heard Uncle Hua say, you are here! I really got it! The man spoke.

"It's Ye Sir!" Ma Jun immediately introduced: "This is Ye Sir from the Missing Persons Investigation Bureau. Ye sir, this is He sir from the Special Support Team of our Serious Crime Unit. ”

After introducing each other, Ma Jun asked, "Ye sir, do you have something to do with me?" ”

"We received a report that a woman was missing, and we later found out that she had been kidnapped. And according to our investigation, a few days ago, Ma Sir had gone to look for the missing person, so I wanted to come and ask about the situation, but fortunately, you haven't gotten off work yet, and you were blocked by me! If I'm a little late, I won't be able to find you. Ye Sir said.

"I'm also busy with cases here, how can I get off work on time." Ma Jun said.

"Is it still the serial murder?" Ye Sir asked.

Ma Jun nodded: "Four people have already been killed." ”

"Okay, then I won't delay your time, hurry up and tell me about the case on my side." Ye sir continued: "The missing woman's name is Wang Wanjun, does Sir Ma have an impression?" ”

"Wang Wanjun? Not impressed. Ma Jun shook his head, and said in his heart that this name is really earthy.

The meaning of the name Wanjun is very good, but in the eyes of Xiangjiang people, it is a very rustic name.

Ye Sir then reminded: "Wang Wanjun is the person in charge of the Friends of the Sea, according to the staff of the Friends of the Sea, you went to her two days ago, Sir, think about it carefully." ”

"You're talking about Serena?" Ma Jun reacted immediately.

Ye Sir nodded: "Yes, her English name is Serena!" ”

"No wonder I only said the English name when I introduced it, it turned out that the Chinese name is so earthy, embarrassed to say it!" Ma Jun said secretly in his heart, and then said:

"The other day, we went to see Serena about a serial homicide that we were investigating. The Friends of the Sea organization had business dealings with the student union where the deceased belonged, and Friends of the Sea used to sponsor the activities of the student union, so we went to Serena and asked about it. ”

"I see, that means that Wang Wanjun is not involved in the criminal case." Ye Sir nodded.

"Are you worried that Serena was involved in a criminal case, so she was kidnapped by the enemy or gangsters, so she came to me to confirm the situation?"

Ma Jun then introduced: "In the student union, the person who contacted Serena is the deceased in our case, even if they have a grudge against Serena, it is impossible to kidnap her. ”

"In that case, then thank you Sir Ma, I'll leave first." Ye Sir said.

"Sir Ye, please wait a minute!" He Jiahui suddenly stopped Ye sir, and then asked, "Ye sir, how do you know that Serena was kidnapped?" ”

Everyone is a policeman, and Ye Sir did not hide it, but replied directly; "After receiving the report, we found Wang Wanjun's car in an underground garage through the positioning system in the car. Then we checked the surveillance video of the underground garage and found that it was a man who kidnapped Wang Wanjun after stuning him! ”

"You mean stunned?" He Jiahui said, giving Ma Jun a look.

Ma Jun immediately understood, and he immediately said: "Ye sir, can you show us the video of the underground garage?" This may have something to do with our case. ”

The Missing Persons Investigation Bureau didn't dare to stop the case of the Serious Crime Team, so Ye Sir immediately nodded: "Okay, follow me back to the office, I'll show you!" ”

……

On the surveillance video, as soon as Serena walked to her car, a man who was very tightly wrapped suddenly rushed out and covered Serena's mouth with something, directly stunning Serena.

The man then pushed over a suitcase and put Serena in it. Then he pushed the suitcase and walked to the corner of the surveillance, and did not appear again.

The man was wearing a camping hat and a mask, and his entire face was covered so that he could not see his appearance. However, his figure cannot be concealed.

"Does this figure look like Yang Lixin?" He Jiahui asked.

"It's like. I've asked someone to send the video of Yang Lixin's confession, let's compare it. Ma Jun said and took out his mobile phone.

The people in the two videos are really similar in shape, and their walking posture is the same.

"It should be Yang Lixin, and Serena is the fifth target!" Ma Jun said, turned his head to look at Ye sir, and said, "Ye sir, it seems that what we are looking for is the same person!" ”

The two quickly synchronized the case. Ma Jun briefly explained the serial murder case to Ye sir.

After hearing this, Ye Sir said: "This is a serial murder case, the murderer has already arrested Wang Wanjun, and he will definitely be killed next, we have to find a way to find them quickly." The question is where do we go to find him? ”

He Jiahui opened his mouth and said: "The first four deceased, the location of the crime must be in the Chinese University!" I guess the fifth place of crime should also be within the scope of Chinese University. ”

"The Chinese University covers an area of 140 hectares, such a large area, even if the police in Hong Kong are transferred, it is impossible to quickly find out where the crime occurred!" Sir Ye shook his head.

Ma Jun's eyes suddenly lit up, and he said: "Jinmu, water, fire, and earth, gold, water, fire, and earth are all dead, and now there is only wood left!" That is to say, the location of the fifth case has something to do with wood! Quick, open the map of Chinese University. ”

Ye Sir immediately came to the computer and found the map of the Chinese University, and Ma Jun also came over.

"Wood? Where is the wood? Ma Jun searched for the map.

"I found it, Zheng Dongcai Building, there is a wooden word in the building, and there is also a wooden word in the wood. This may be the location of the fifth case! Ma Jun said.

"According to your analysis, this Greenberg Building is also possible. There are trees in the grid, and there are trees in the forest, or two. Ho pointed to the Greenberg Building on the map.

"Greenberg is a translation of the foreigner's name, the foreigner shouldn't pay attention to the five elements of gold, wood, water, fire and earth, right?" Ma Jun said this, but he was a little unconfident in his heart, and he continued:

"It's getting dark, and when it gets dark, there will be fewer people in the university, and the murderer is likely to commit the crime. We were divided into two groups, one group went to Zheng Dongcai Building, and the other group went to Greenberg Building! ”

……

Zheng Dongcai Building, Chinese University.

"Ma sir, we searched every room in the entire building, even the women's toilet, but we didn't find it!" Uncle Hua came over to report.

"I don't know if Ye Sir found it over there." Ma Jun muttered to himself.

At this time, Ma Jun's mobile phone rang, and it was Ye Sir calling.

"Ma Sir, there is nothing found here in Greenberg Building, what about you?" Ye Sir asked.

"I didn't find it on my side either." Ma Jun replied.

"Could it be that we came early, and the murderer hasn't come yet?" Ye Sir continued.

"I'm more worried that we're in the wrong place!" Ma Jun continued: "The names of these two buildings are related to wood, but it does not mean that they are necessarily the location chosen by the murderer. If the murderer planned to hang the deceased on a tree and hang him, would it also be regarded as using wood to kill people? ”

"Ma Sir, don't scare me! The Chinese University is built on the mountain, and it is surrounded by trees, 140 hectares! We can't find it! Ye Sir said.

Ma Jun thought for a moment and spoke; "Then I hope there is no problem with our judgment, it is the murderer who has not yet come! Now we have to wait for the rabbit.

Leave a few people to ambush in Zheng Dongcai Building and Greenberg Building, and the others go to the intersection and parking lot to squat, focusing on the people pushing suitcases! Bring your communication equipment and keep in touch. ”

……

At the fork in the road next to the Law School of the Chinese University of Chinese, He Jiahui and Ma Jun stood together, and whenever someone came by, they would pay attention.

"Ma sir, in the parking lot of Chengming Pavilion, I found a suspicious person and removed the suitcase from the car, and I will go up to check now." A voice came from the communication device.

"Stay safe." Ma Jun replied.

"Ma sir, I've checked it, there's no problem."

"Roger." Ma Jun sighed lightly, and returned again in vain.

Ma Jun looked at his watch, it was already more than ten o'clock in the evening, and he waited for two hours, but found nothing, and the murderer still did not appear.

"Did we really misjudge that the murderer wanted to hang Serena from a tree?" Ma Jun looked at He Jiahui, and then said, "He sir, you have something to say!" It's been more than half an hour, and you don't seem to say a word. ”

"I'm thinking about the case." He Jiahui replied.

"What do you think of?" Ma Jun asked subconsciously.

"I'm thinking that we might well be going in the wrong direction again! The fifth case occurred in a wooden! He Jiahui said.

"Gold, water, fire, and earth are all dead, and the one that is left, isn't it wood?" Ma Jun then asked.

He Jiahui slowly raised his hand, felt the flow of the air around him, and then said, "The wind is blowing!" ”

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(End of chapter)