Chapter 1258: Contradiction

The high-speed centrifuge hummed, making Jacob's heart itch.

What was that non-body residue? Could centrifuging it help solve the case?

Jacob felt it wasn't that reliable. The corpse was dumped in a sewer, so it was possible it was contaminated with some dirty things.

Of course, it was also possible it was some particles related to the case, but the final analysis of particles usually resulted in elemental levels. It was hard to say what conclusions could be drawn from this bit of information.

Jacob looked at Jiang Yuan's expression again, feeling he was incomparably calm, and couldn't help but say: "What do you think it is?"

Jiang Yuan looked at Jacob strangely: "We'll know after looking with the electron microscope."

"Eh, I thought you already had expectations." Jacob was still stunned by Jiang Yuan during the autopsy.

Jiang Yuan shook his head: "For trace evidence, it is better to rely on real-time analysis. Guessing in advance has no meaning."

"That's true... but... what if no results can be analyzed?" Jacob was a bit conflicted.

Jiang Yuan said indifferently: "If no results can be analyzed, we can only look for other directions."

For Jiang Yuan, the skill tree he currently mastered was already very comprehensive. He had room to handle any clues given. Of course, it was true that some directions couldn't be handled perfectly, but he could come up with infinite technical solutions.

Therefore, from Jiang Yuan's perspective, collecting as many clues as possible and then deducing all the way was the main line. Whether there could be any clever ideas in the middle was more about saving time and energy, and didn't necessarily affect the final result.

And in Jacob's eyes, the near-perfect image of Jiang Yuan should have been a Zhuge Liang-like figure who calculated everything... This mode of deducing the answer based on the results obviously didn't quite fit the performance in Chinese storytelling...

At this time, Wei Shiyan, who was grinding coffee beans with a hand-cranked coffee grinder, listened to the translation and wandered over, saying: "Master is confident that any result can be turned into a clue."

Jacob listened to the translation ruminated back and was stunned.

At this time, the centrifuge gradually quieted down.

The technician stepped forward, took the centrifuge tube out of the centrifuge, opened the cap with sterile tweezers, and then transferred 30 microliters to a slide with a micro-pipette.

Next, the sample was placed into a vacuum coating instrument for a 10-nanometer gold coating. This was because non-conductive samples had to avoid charge accumulation affecting imaging.

After such a toss, the slide was placed into the vacuum chamber of a scanning electron microscope worth millions.

The equipment used in Malaysia was mostly produced in Europe and America, expensive and overpowered, and it was truly easy to use.

The final result came out quickly.

"Barium, antimony, aluminum, a total of three elements." The technician gave the answer on the spot and said: "This is very likely residue from a bullet. Barium nitrate and antimony sulfide are commonly used in bullet primers."

Having said this, even an intern would understand why the murderer chopped the victim's chest to pieces.

Malaysia was also a country that banned guns.

The previous smuggler Cai Dachui had guns, but it was still difficult for an ordinary person to get a gun.

In other words, by following the gun, one could also look for the murderer. At the very least, it could narrow down the murderer's range.

On the other hand, the murderer's dismemberment was likely to find the bullet.

Several people at the scene fell into deep thought.

Soon, Nicha and Zhong Renlong heard the news and came over.

At this time, the technician also produced a report and handed it to Nicha.

Nicha read it repeatedly, a look of relief appearing on his face. Jiang Shen was still that Jiang Shen. With this, he could rest assured.

"As expected of Jiang Shen. With this, the logic of the dismemberment in this case might change." Nicha mainly flattered him, and by the way, explained the case: "We have already investigated the nearby residents, and they all said they didn't find anything unusual, let alone hear gunshots. In this case, can we consider that the murderer came from afar to dump the corpse?"

"Very likely." Jiang Yuan agreed. Although modern buildings had soundproofing measures, and there were things like silencers, using an axe to dissect a corpse to take out a bullet at the scene didn't seem that professional.

"However, if this is the case, why dump the corpse in a bustling downtown area? Dumping it in a remote place might not have been discovered so quickly." Nicha raised the question again, which also made sense.

Jiang Yuan nodded slowly: "This is indeed a contradiction."

The contradiction was likely the key to solving the case. Nicha showed a smug smile.

Turning his head, Jiang Yuan didn't continue the analysis but said: "Also, do a trace evidence test on that plastic sheet, and scan it with an electron microscope."

"Have you cut it before?" The technician on the side was a bit hesitant. The workload was too large, and the high magnification of the electron microscope meant that the area it could scan each time was limited.

Jiang Yuan shook his head and said: "The corpse was wrapped in plastic sheeting, and it has all been mixed up. It makes no sense to find trace evidence at which position. You take a part from the plastic sheet, brush the surface again, put it through the centrifuge, enter the electron microscope, and see what you can find."

The technician on the side thought for a while and immediately understood: "If the murderer shot the victim while pressing them on the plastic sheet, or made the victim kneel on the plastic sheet and then shot them to death, it is possible to find gunshot residue on the plastic sheet. Otherwise, it is very likely that the body was moved."

Several criminal police officers at the scene also reacted.

Nicha immediately said: "Execution-style shooting is indeed different. We have encountered similar cases recently."

In the city, when you need to kill someone, pressing them on a plastic sheet or making them kneel on a plastic sheet is the cleanest way to kill. As long as the blood is washed clean, basically very little human tissue is exposed.

Killing in the wild doesn't need to be so troublesome, as blood and small amounts of human tissue will be disposed of by decomposers in nature.

And execution-style shooting also shows that it was not accidental killing or self-defense, but must be active murder, which still has considerable value in the Malaysian court.

In addition, execution-style shooting also proves from another side that the murderer has a certain combat value, likely a professional or semi-professional—this contradicts dumping the corpse in a bustling downtown area.

Just as Nicha and the others were excited and wanted to seriously think about the connection, Jiang Yuan stood up and said: "Next, I am going to boil the corpse chunks to take the bones for anthropological analysis. It will probably take a day."

"Ah... okay." Nicha hurriedly responded and added: "We have prepared dinner, it is our Malaysian-style hot pot. Shall we eat first and then boil the corpse?"

"Boil the corpse while eating. The time to boil until the bones are detached should be about the same." Jiang Yuan finished and asked Jacob: "Do you have a large water bath?"

"No, not one as big as a person. We might have to boil them separately. It just so happens they are already cut..." Even though Jacob was a forensic doctor, he felt it was a bit hellish when he said this, so he hurriedly stopped, called his subordinates, and said: "We have several pressure cookers and small water baths. We can probably boil about three-quarters... boiling about 80 jin should be no problem. The rest might have to wait for the second pot."

Boiling twice was a bit of a waste of time because forensic anthropology only needed bones, and to boil them until the bones and meat separated, they were all super large chunks of meat, so the time spent was too long.

As for cutting the already dismembered corpse chunks smaller... forensic doctors didn't like doing this kind of thing either.

Jiang Yuan then turned to Nicha and said: "You said you prepared hot pot. Can you take the hot pot pot over to boil the corpse first?"

At this moment, Nicha really hoped Jiang Yuan wouldn't speak Indonesian.

Unfortunately, he still understood.

Swallowing a mouthful of saliva, Nicha said seriously: "Okay. God Jiang. I will have them bring the pot over now."

Anyway, he didn't like eating hot pot.

(End of chapter) ===== CHAPTER 1259 =====