wavenovel Chapter 1278 Catching Bugs
Chapter 1278 Catching Bugs
Chapter 1278 Catching Bugs
Jiang Yuan walked around the rubber plantation.
The interior of the rubber plantation is very comfortable. The tall rubber trees provide shade and repel mosquitoes. The ground has been repeatedly swept by workers with tools such as chain saws. On non-rainy days, strolling in the rubber plantation feels almost like strolling in a park.
Especially when the wind blows, the slightest bit of heat is dispelled, as if one can understand the feelings of the Dutch back then.
One body was found in the rubber plantation, and the remaining two bodies were hidden in the bushes on the edge of the rubber plantation.
If the second body was still somewhat concealed, the first body was basically in an exposed state - not only was it in an exposed state when it was discovered, it can be imagined that it was also in an exposed state when the crime was committed.
Judging by the standards of a serial killer, this killer's skill level is not high, just about the middle to lower level. Because his advancement is too weak, although the second body was hidden by him in the bushes on the edge of the rubber plantation, it was not long after the first murder, and the dead were all people in the rubber plantation. It can be said that in the tense atmosphere at the time, the deceased had been missing for only half a day before everyone started looking for him and called the police.
As expected, the police also actively intervened, and the second body was soon discovered.
It has to be said that it was obviously a bit backward to resort to the method of hiding the body at this stage, and it was not surprising that it was found so quickly.
As for the third body, only the hiding place had changed and seemed more clever, but the essence had not changed - there was one less person in the plantation, who would not panic, who would dare not call the police, and which police station would dare not come!
Judging from the targets chosen by the murderer and the way he hid the bodies, it can even be said that he is still some distance away from being a serial killer.
Serial killers don't adapt so well to local conditions.
Serial killers are more likely to act out of their own conscience rather than for profit - but killing employees of rubber plantations makes the goal seem too utilitarian. Without the serial killer's unrestrained nature, the serial killer's difficult-to-investigate characteristics are also lost.
However, after Jiang Yuan walked around the crime scene and looked around the rubber plantation, he began to understand the murderer's choice.
The ground in the rubber plantation is relatively hard, and there are grass roots and tree roots entangled underneath, making it difficult to dig a hole - this can be said to be a common dilemma for burying corpses in the tropics. Although the ground is quite soft, there are plants growing everywhere, and the deeper you dig, the greater the obstruction caused by the tangled plant roots. Trying to dig a hole to bury a person is more tiring than clearing half an acre of land in the temperate zone.
Correspondingly, although there is permafrost in the frigid zone, making it equally difficult to dig a hole, there is snow and fallen leaves in the wild in the frigid zone, and there are fewer scavengers, so one can just find a snow hole to dump the corpse, which is better than digging a hole and burying it in the tropics.
On the other hand, the He’s rubber plantation has been established for a long time. The rubber plantation looks quite clean due to the daily cleaning of various plants, but the trees outside the plantation are all over a hundred years old.
These plants that have lived together for hundreds of years are like neighbors who have lived together for hundreds of years. They are old trees with tangled roots, long-standing grievances, and a chaotic generation structure. All you can see are branches and leaves pulling at roots, trunks riding on the necks of other trees, and crowns poking into the armpits of other trees...
It is actually not easy to hide a body in a forest like this. It would be considered good if you could walk a few steps inside and find a suitable place to stuff the person in.
In fact, the murderer also tried hard. When the third body was found, there were obvious signs of chainsaw cutting next to it...
The Malaysian police even followed the clue of the chainsaw to investigate again. However, chainsaws can be replaced with chain saws, so apart from increasing the suspicion of the people in the rubber plantation, there was no further progress.
"Let's catch some bugs." Jiang Yuan stood at the crime scene of the third homicide, directing Shen Yaowei and others to do the work.
"Yes." Shen Yaowei had done a lot of hard work, so he rolled up his sleeves and started working without saying a word.
The environment in the tropics is not like that in the temperate zone. He had only taken two steps inside when he saw mosquitoes and beetles surrounding him.
Shen Yaowei had a bitter face and said nothing, just silently waving the fly net in his hand.
"Go on." Jiang Yuan waved his hand, like a cold medieval knight, sending his soldiers to consume the enemy.
Wei Shixun chose mathematics this time, in his heart.
Wei Shijian quietly approached Jiang Yuan and whispered, "It seems that we have photos of the crime scene. The previous forensic doctor also seemed to have caught a lot of bugs. Do we still need to catch them? Is it because the ones they caught are not suitable?"
The first forensic doctors who arrived at the scene did capture a large number of insects and eggs. Especially the forensic doctors in the second and third cases, who were police experts themselves and were dealing with major cases, so their evidence collection was quite comprehensive.
But Jiang Yuan just shook his head and said, "The insects caught by the previous forensic doctor were just routine. They don't rely on insects to determine the time of death for fresh corpses."
"You're going to use insects to determine the time of death?"
"Assist. The main thing is to understand the species and forms of local insects." Jiang Yuan explained briefly.
There are still differences between insects in tropical regions and insects in temperate zones, and the iteration is very fast. If we make a comparison, insects in temperate zones are like the manufacturing industry in Spain, and insects in tropical regions are like the manufacturing industry in Yiwu.
If you want to use days as the unit, you can analyze according to the insect guide in the book, but if you want to analyze more accurately, using typical examples is definitely not enough.
For example, when it comes to giving birth, some people give birth at 32 weeks, some at 30, and some at 38. Some people have habitual miscarriages, or have to undergo caesarean sections because they don't give birth within the prescribed time. Don't insects have the same thing?
Some insects reproduce in corpses in a cycle of several days. There are no incubators for premature births, and no caesarean sections for overdue births.
If the same premature family continues to reproduce, the difference in time will become difficult to ignore.
On the other hand, the insect guide written in the book is far from the level of medical guide. However, when humans study humans, with sufficient samples, the typical cases written in the book are still a kind of "typical" that is often not seen, and there may even be situations where every situation exists, but the typical cases in the book are not.
This can be explained by the fact that the knowledge in books is not updated enough, or that people change a lot, or it is possible that the author of the book is a 4+4 medical doctor. But no matter what, the reality that the knowledge in books is out of touch with reality does exist.
If people and books are out of touch, then insects and books will naturally be out of touch as well.
Therefore, when it is really used, doctors in the hospital will rely on experience, and forensic doctors will either expand the scope of consideration or do experiments themselves.
After all, people who write books can talk nonsense, but people who do things really need to use knowledge.
This is what Jiang Yuan thought, and this is also what he ordered his men to do.
Shen Yaowei and others dug insects for a whole day and night.
The reason why it was one day and one night was because there were daytime insects during the day and nighttime insects at night. When the bodies were found, they had basically spent the night.
The next day, Jiang Yuan selected several typical and important insects and began to hatch them busily.
At this time, Liu Jinghui also finished reading the first round of transcripts. Looking back at Jiang Yuan raising insects, he couldn't help but laugh and said, "This case happened more than half a year ago. Isn't it a bit too much to cultivate these insects now?"
"Insects with high mobility have more commonalities, while insects with higher degrees of alienation are more localized. Think about it, isn't this the truth?" Jiang Yuan looked up at Liu Jinghui and gave a very logical statement.
Liu Jinghui's eyes lit up when he heard this: "There's something."
"The common flies on corpses fly around, and their reproduction frequency and time are very clear. We are also familiar with them. On the contrary, some local competitive species are rarely seen in Shannan, so we have to pay special attention to them."
“Competing breeds?”
"For example, ants and leaf-weaver ants will carry away fly eggs, and they may also attack and eat maggots. The result may be that the egg-laying time and metamorphosis frequency of the familiar blowflies may change. There are also wasps, various beetles, mantises, and dragonflies. They all prey on necrophilous flies, especially flies in the maggot stage, which have poor defense capabilities. Here we need to distinguish between first-time arrivals and subsequent invaders..."
Jiang Yuan introduced his work while working.
Liu Jinghui frowned and said worriedly, "You've never done something this complicated before. By the way, is it because you're in an unfamiliar area that your skills are no longer suitable?"
"I want to make the time more detailed. In this way, if you make a timeline based on the transcript, wouldn't it be easier to find the murderer?" Jiang Yuan gave a solution that went straight to the point.
Liu Jinghui was stunned for a moment, then felt a little touched. He looked at Shen Yaowei and others who were craning their necks to watch, frowned and said, "Jiang Yuan said so, you guys should go catch some more bugs!"