820. What is it that is preventing him from surviving?
Gu Chen put on a new pair of gloves, pushed aside the tray beside instructor Zhang Hui, and then asked him: "Instructor Zhang, what is the abnormality you are talking about?"
"Look at this." Zhang Hui stepped aside and gave up the microscope position to Gu Chen.
Gu Chen directly bent down and looked at the microscope, then suddenly frowned: "Is it... is it pollen?"
"Yes, it is indeed pollen, and it is also mixed with some soil debris." Zhang Hui said.
Lu Weiwei was stunned: "So...so, this is not the dirt that Wang Jinshan scratched out at all?"
"That's true." Gu Chen looked away and said with a surprised look on his face: "If Wang Jinshan was swimming in the swimming pool, there would be no way that there would be so much pollen and soil debris between the nails."
After looking at Lu Weiwei and Officer Wang, Gu Chen asked again: "Senior Sister Lu, Senior Brother Wang, do you still remember what happened when you had dinner with Wang Jinshan yesterday?"
"What do you want to say?" Lu Weiwei seemed to guess what Gu Chen meant.
Gu Chen walked to Wang Jinshan's body, lifted Wang Jinshan's left hand, and asked, "Did you notice so much dirt on his nails yesterday?"
"Absolutely not." Lu Weiwei affirmed: "When he had dinner yesterday, Wang Jinshan's hands were very clean, and there would never be so much dirt on them."
"Indeed." Gu Chen gently put down Wang Jinshan's left hand: "I was sitting next to him yesterday, and his hands are indeed not so dirty."
"But the problem is that after he and his assistant left yesterday, the assistant was unable to contact Wang Jinshan today. Until the police were called, Wang Jinshan has been floating in the swimming pool like this."
"So it is known that Wang Jinshan died around early yesterday morning and was drowned. So what happened between the time he left the hotel and returned home is the key to the investigation."
"Yes." He Wenjun strongly agreed with Gu Chen's opinion and actively echoed: "If Wang Jinshan has never gone out since he entered the house, there is no way there would be so much suspicious dirt in the gaps between his fingers."
"And we also searched Wang Jinshan's home at that time. There were almost no flowers in their home, just some lawns in the yard."
When Officer Wang heard this, he nodded slightly and said, "If that's the case, where did the pollen come from? It can only explain one thing. This swimming pool may not be the first scene of the crime."
"But after Wang Jinshan was drowned in another location, he unknowingly... moved into the swimming pool at Wang Jinshan's home to create the illusion of an accidental drowning."
After all, it’s about applying what you learn…
In today's training class, relevant knowledge was just mentioned, and Officer Wang was able to relate it immediately.
Liu Zhiqiang nodded slightly: "You're right. If there are no flowers at home, how can there be pollen particles in the nails? The swimming pool at home is definitely not the first scene."
Discussions quickly started at the scene...
Gu Chen sat back on the testing table, observed the pollen material through the microscope, and then turned to ask Zhang Hui: "Instructor Zhang, from the time Wang Jinshan returned home to the time of his accidental death, the period was very short."
"If that's the case, then this flower should be growing nearby. Does your laboratory have any data on file in this regard?"
"This..." Zhang Hui was stunned for a moment and was suddenly overwhelmed by Gu Chen's question. He was also embarrassed and said: "There was some pollen data before, but it was not comprehensive."
"If you want to talk about water quality data, our laboratory has a lot."
"This is no longer the key." Gu Chen stood up directly and said: "This kind of pollen should be the reproductive organs of gymnosperms and angiosperms. It is very small and requires a microscope to see its structure clearly."
"But different plants have different pollen shapes. Based on the shape, size, symmetry and polarity of the pollen, the structure of the pollen wall and surface carvings, etc., the family, genus and species of the plant can be identified."
Looking at Zhang Hui, Gu Chen added: "The pollen of most plants is easy to collect and can be stored for a long time without losing its vitality. This kind of plant should be nearby. I want to go over and investigate and collect the flowers nearby to see.
Depending on which ones they are, you can also determine where the crime occurred."
"But... this is looking for a needle in a haystack."
Zhang Hui just wanted to pour cold water on him, but Gu Chen directly opened the map on his mobile phone, showed it in front of Zhang Hui and said: "Instructor Zhang, I have checked. Wang Jinshan's home is backed by a hillside. There are very few places with water there.
There is a park pond, I want to go there and have a look, maybe this place is the scene of the first crime."
"What you said seems to make sense." After hearing Gu Chen's analysis, Zhang Hui nodded silently, then looked at He Wenjun and said, "Old He, what do you mean?"
"I think it's feasible." He Wenjun said.
"Okay." Seeing that the two of them had reached a tacit understanding, Zhang Hui took a deep breath and said, "I will try my best to study the structure of this pollen to determine which category it is as soon as possible."
"You go to this park pond first. You may be able to make some new discoveries. If there are flowers by the pond, pick them as specimens."
After thinking for a while, Zhang Hui added: "Remember to number the flowers you picked and the location."
"Understood." Gu Chen nodded slightly, but suddenly remembered that this is the territory of the Yangcheng Police Team, so he asked He Wenjun in a questioning tone: "Officer He, I wonder if there is a chance to work with your Criminal Investigation Team 2."
"Of course this is possible."
Gu Chen asked for a fight, and He Wenjun was certainly happy to do so.
After all, it is an investigation work, and the main task requires more manpower, so one more person means more power.
Besides, in the training class where Gu Chen was in, the evenings were self-study time and did not delay class, so it was a natural progression.
After reaching an intention to cooperate, Gu Chen quickly walked to the locker in the testing room, found more small evidence collection bags, and then said: "It's not too late, let's set off now."
…
…
He Wenjun and Liu Zhiqiang drove Gu Chen's team and many police officers from the Second Criminal Investigation Team to the place where Wang Jinshan died.
This chapter is not over yet, please click on the next page to continue reading! This area is a mature community, developed earlier, and the housing structure is relatively old.
The knowledgeable police officer said that this place was a villa that Wang Jinshan bought casually when he first became successful.
Of course, later Wang Jinshan also bought more villas, which is another story.
However, since leaving Jiangguan Fund and setting up his own business, Wang Jinshan has had a bad start, and the fund has suffered losses year after year.
When Wang Jinshan really can't survive, he will choose to sell a house to relieve the huge financial pressure.
If Fengguang hadn't bought more houses in those years, Wang Jinshan would have collapsed long ago.
In addition, the housing prices in Yangcheng are extremely high, which also gives Wang Jinshan a buffer opportunity.
It is said that a listed company invested by Wang Jinshan was in operating difficulties and was on the verge of bankruptcy.
In order to save this listed company, Wang Jinshan sold a house in the school district of Yangcheng, and then the listed company on the verge of bankruptcy came back to life. The profit difference between the purchase and sale of the house price exceeded that of the listed company in three years.
the total profit.
Of course, a crisis never exists alone. The poor performance of the funds he manages leaves Wang Jinshan with less and less capital to turn the tide.
With the successive sales of houses to save the market, Wang Jinshan's wealth accumulated over the years has been almost wiped out.
However, because this villa was the first villa that Wang Jinshan earned while working at Jiangguan Fund, it was of great significance to Wang Jinshan, so it was preserved intact.
So much so that Wang Jinshan always liked living here.
After getting a rough idea of the villa's situation from the police, Gu Chen crossed the cordon and entered the swimming pool where Wang Jinshan drowned.
At this moment, the water in the swimming pool seemed a little turbid. Gu Chen investigated the surrounding surveillance cameras, but found that there were no surveillance cameras at all, so he couldn't help but frown.
"What's going on? There's no surveillance around this kind of mansion?" Gu Chen asked He Wenjun.
He Wenjun also quickly explained: "It was true before, but later when we were investigating here, we also asked Wang Jinshan's assistant."
"What he means is that Wang Jinshan particularly doesn't like to set up surveillance in the courtyard, because there is a swimming pool in the courtyard, and if there is a problem with the surveillance, privacy can easily be exposed."
"Therefore, in Wang Jinshan's home, only the intersection in front of the door was monitored. The other places were evacuated by Wang Jinshan because he was afraid of privacy concerns."
"Withdrawn?" After hearing He Wenjun's words, Officer Wang said in disbelief: "Although for a financial boss like him, who did he meet? Who did he discuss cooperation with, or who did he do at home?
Whatever, these are all private."
"And any piece of gossip is likely to affect the trend of his fund, so these people are usually very cautious, and it is not unreasonable to remove the surveillance cameras in the courtyard."
"Yes." A police officer with a Cantonese accent also said: "This is true, especially since we people in Guangdong Province are used to speculating in stocks and funds."
"But the bosses and senior management of these listed companies must strictly discipline themselves. Otherwise, if some gossipy news comes out and has a negative impact on the company, the stock price and funds will plummet all the way."
"So these big guys usually pay great attention to personal privacy. They are probably afraid of hackers invading the surveillance system. This kind of thing has happened before."
"So that's it?" Officer Wang heard this and stopped worrying about it.
I just feel like it’s a double-edged sword…
Gu Chen walked along the guardrail and found two obvious friction marks on a low-lying wall.
Then Gu Chen squatted down and inspected the floor tiles. Sure enough, he found two friction marks on the floor tiles.
Seeing Gu Chen's happy expression, He Wenjun stepped forward and asked Gu Chen: "Officer Gu, have you discovered anything?"
"Come and take a look at this." Gu Chen did not give a direct answer, but stepped aside and pointed out the four friction marks on the wall and floor tiles to He Wenjun.
He Wenjun frowned and quickly approached the trace. After repeated confirmation, he looked at Gu Chen in surprise: "You mean... this trace was caused by a ladder?"
"That's right, and it's still very new." Gu Chen also responded directly.
Hearing what the two said, Lu Weiwei, Officer Wang and Liu Zhiqiang, who were on the side, also hurriedly came over.
"Is there any new discovery? What kind of ladder?" Lu Weiwei stepped forward to observe, and instantly understood what Gu Chen meant, and said with a faint smile:
"Junior Brother Gu, you mean... the murderer most likely passed through this location, climbed over the wall with a ladder, and transported Wang Jinshan's body to the swimming pool?"
Gu Chen didn't speak, just nodded slightly.
But Liu Zhiqiang, who was standing aside, said, "Then why don't you go through the main door?"
He Wenjun knocked Liu Zhiqiang on the head: "Stupid, if you go through the gate, wouldn't it be more troublesome to deal with the traces and so on?"
"If there are any traces left on the floor or on the door handle, do you think it can be easily dealt with in a short time?"
"Well, that seems to be the truth." After Liu Zhiqiang observed the traces near the wall, he suddenly realized: "If the body is transported at this location through a ladder, it will save a lot of trouble of cleaning up the traces.
."
"After all, the courtyard is not as elaborate as home. It is difficult for people to notice even small traces."
When Gu Chen heard this, he nodded slightly: "What Officer Liu said makes sense. The reason why the murderer did not enter through the gate was to cause unnecessary trouble."
"After all, if you leave a little trace indoors, it will be magnified infinitely in the eyes of the police. The murderer will not be so stupid."
After listening to Gu Chen's explanation, Lu Weiwei seemed to understand the truth, so she took a few steps back, suddenly kicked her right leg back, grabbed the ground with her front foot, and quickly rushed towards the wall.
With the help of kicking her legs, Lu Weiwei climbed up the wall easily, and then discovered that there was a small forest near the outer edge of the low wall.
"Junior Brother Gu." Lu Weiwei turned to look at Gu Chen.
Gu Chen asked her with a smile: "Did you see a small forest?"
"Yeah." Lu Weiwei nodded and said, "That's true, and the wall is actually not high. If you use a ladder, it's easy to climb over."
Gu Chen smiled and said: "That's right. If the murderer climbed over the wall from this location, then according to the map, passing through the small forest in front of him is the pond in the park."
"In other words, it is very likely that the park pond was the scene of the first crime?" Liu Zhiqiang asked.
Gu Chen responded directly: "For now, in theory, this is the case, but we still need to collect flowers from the lakeside as specimens and give them to Instructor Zhang, so that Instructor Zhang can screen and compare them to find out where Wang Jinshan really died."
"Then what are you waiting for?" Officer Wang couldn't wait any longer. Scholar Lu Weiwei just made a run-up and jumped up easily, jumping directly over the wall.
Followed by Gu Chen, He Wenjun, Liu Zhiqiang and more police officers.
Everyone searched along the path and found many new footprints on the road. These were photographed and measured by Gu Chen, and various data were recorded on the new footprints.
When he came to the park pond, Gu Chen was even more surprised that there were indeed many flowers by the lake, but they were also distributed in small areas, which made everyone's search easier.
Gu Chen pointed to the right and said: "Officer He, the three of us are searching along the pond on the right. You go to the left."
"Okay." He Wenjun readily agreed.
Afterwards, everyone separated at the entrance of the trail and each looked for flowers by the lake.
Gu Chen first came to the first place full of flowers. After searching the surroundings carefully, he found that there were two types of flowers.
Without further ado, Gu Chen took out the transparent evidence collection bag and placed two types of flowers in two small transparent evidence collection bags.
And pick up the stones on the ground, mark the number of the location you are searching on the lakeside, and then enter the next search location.
It wasn't until Gu Chen walked along the lake to the third spot full of flowers that he discovered that this was a deep water bank with the river bank perpendicular to the water.
Gu Chen frowned and used his expert observation skills to focus on the bank of the lake.
But just as he was walking along the lake and about to finish where the flowers grew, Gu Chen unexpectedly discovered that there seemed to be some deep scratches in the soil on the river bank.
Gu Chen quickly squatted down and took pictures of the scratches with his cell phone.
Lu Weiwei, who was searching at another location on the river bank, noticed Gu Chen's small movements, so she hurried forward and asked, "Junior Brother Gu, have you found anything?"
"Let's see what this is?" Gu Chen also gave up his position and pointed at the scratches beside the embankment.
Lu Weiwei frowned slightly, and hurriedly squatted beside Gu Chen, and then said in shock: "This...isn't this the trace of finger grabbing?"
"Signs of grabbing?" Hearing that Gu Chen had found something, Officer Wang also hurried over.
Gu Chen nodded slightly and said with a serious face: "Yes, it is indeed a scratch made by a human hand, and have you noticed that the scratch is in the opposite direction, from the lake upwards."
"Let me take a look." After being reminded by Gu Chen, Lu Weiwei quickly stretched out her palm to compare.
Since the mud marks were not particularly obvious, Lu Weiwei found the merits after comparing them, and said with a look of surprise:
"That's right, it was pulled out from the lake water. You see, the outside is a bit high and the inside is very deep. This is obviously a mud puddle hidden by a few fingers."
"Stretching out of the lake with all your strength?" Officer Wang frowned slightly, then looked at the flowers around him, and immediately said: "The lake is full of wild flowers. Is this the place where Wang Jinshan died?"
"Basically, it should be correct." Gu Chen picked off a few wild flowers next to the mud marks, put them into a small transparent evidence bag, and then specially drew a circle around the number with a pen.
"In order to check the completeness, we must also walk around the small lake to confirm that there is only one scratch mark around the entire small lake."
"No problem." Although Lu Weiwei knew, based on this, it was already obvious that everyone's previous inference was correct, and Wang Jinshan might indeed have drowned here.
That is, when Wang Jinshan was about to drown, he desperately grabbed everything he could grab on the shore in an attempt to climb up.
This is why there is dirt and pollen powder in the gaps between Wang Jinshan’s fingers.
"But what exactly is preventing him from surviving? The murderer?" Lu Weiwei thought thoughtfully.
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