Chapter 1033 Leather Gloves

There are many visitors this time, including not only the leaders of the directly-managed institutions of Ningtai County, but also the leaders from various investors, as well as some media and non-police system people.

Some people with a sharp mind took the initiative to stand up, smiled before speaking, and said: "Director Jiang, are you going to dissect the body on the spot? Well... some of our comrades who came today may not be very accustomed to this kind of activity..."

The person in charge of the Taihe Working Group is the director, so Jiang Yuan can now be called the director.

Jiang Yuan walked to the body at this time, shook his head, and said: "I won't dissect the body on the spot. I recently did some research and industry learning on the fingerprint identification of drowned bodies, and I want to show it to everyone. Because it is the Taihe Working Group, many of the cases we encounter involve drowned bodies."

"This is good. However, non-police personnel who are not used to corpses can leave first." The leaders from the provincial department were very friendly.

Jiang Yuan took this time to slowly put on latex gloves and began to check the objects next to the dissection table.

No one left the scene.

Even the media reporters who came with them were knowledgeable. Even if they were not used to corpses, they could at least hold on.

Jiang Yuan was ready. He coughed twice and said, "This corpse was found on the south side of Taihe River four days ago. It was delivered today. The corpse is male and is seriously decomposed... We are now trying to take fingerprints from the corpse."

As Jiang Yuan spoke, he directly activated the temporary skill +1.

In this way, the fingerprint analysis method of LV6 just obtained was immediately upgraded to LV7.

This level is already a bit unreasonable. LV6 dog food can make the police dog give up the establishment. The fingerprint analysis method of LV7 even makes Jiang Yuan's mind emerge with some impressive fingerprints that he had done before.

This is a bit like Xu Limin, one of the Eight Tigers of Criminal Investigation. When he was young, he memorized more than 30,000 fingerprints. It was a natural talent. This is different from a photographic memory, because he obviously does not have such an ability when reading text.

As for Jiang Yuan, he had tried the LV6 fingerprint analysis method yesterday and had also taken fingerprints on the corpse, so he was not unfamiliar with the current work.

Of course, the difficulty is not small.

The corpse found in Changyang City four days ago was sent here by the Criminal Science Center in the provincial capital because they found that they could not handle it. Even so, the degree of corruption was relatively deep. It would be unlikely to take fingerprints if it was given to Jiang Yuan in the past.

"Generally speaking, for corpses with more serious corruption, we will try to take epidermal gloves. The forensic doctor at the place of discovery has tried this method, but it did not succeed." Jiang Yuan made a brief introduction while making preparations.

"Epidermal gloves are the kind that peel off the epidermis of the corpse and wear it on the hand to take fingerprints?" Wu Zhisu, the captain of the Criminal Police Detachment of Jianjiang Municipal Bureau, was very interested in this and asked immediately.

Many people with police experience have heard of epidermal gloves, but not many have seen them, especially criminal police below the provincial capital. If the local forensic doctor is not particularly strong, they can't play so many tricks.

Jianjiang City is densely covered with rivers, lakes, swamps and mountains. It has always been a place where bandits and bandits gather, and the people are tough. Although there are no professionals now, the number of murders is not small at all. Jiang Yuan has also dealt with many cases in the area, and there are serial murders.

Wu Zhisu is also a policeman who likes new technologies and knows the difficulty of epidermal gloves.

Jiang Yuan nodded and said: "After the corpse decays, the epidermis will be separated from the dermis. Through this characteristic, we can remove the epidermis of the corpse from the fingers like gloves to form "epidermal gloves". The peeled epidermal gloves are rinsed with clean water and soaked in glycerin. If the papillary pattern of the finger is complete and clear, it can be worn on the hand of a living person and ink is applied for imprinting."

The same words, if said in Shang K, would probably get comments like "Ugh, so disgusting", but in the forensic building of the police station, whether it is a tall man or a dignified and beautiful woman, they all stretched their necks to look.

Then, Jiang Yuan said, "However, the hands of this corpse are too corrupted to be suitable for making skin gloves, so we can only use other methods."

"What method?" The reporters at the scene have started taking pictures after getting permission.

"Although the skin of the corpse is corrupted severely, according to my observation, it has not completely rotted away. It can only be regarded as broken into pieces. We can try to piece it together. However, there is no mature technical solution for this method." Jiang Yuan said while doing it.

The reporters were a little confused and couldn't help but whisper to the police they knew.

Seeing this, Wan Baoming from the Changyang Criminal Science and Technology Center stood up and said, "Captain Jiang, Director Jiang uses a very difficult fingerprint sampling method. Let me briefly introduce it to you."

His identity is the most suitable, and the leader of the provincial department smiled warmly: "I want to listen too."

Wan Baoming then stood up, said a few humble words, and then said: "For fingerprinting corpses, we generally divide them into four levels according to the degree of decay of the corpse. The first level is the corpse with rigor mortis, that is, the fingerprint of a fresh corpse, which is the simplest. The second level is the fingerprint of a stiff corpse. The difficulty here is mainly because the fingers of the corpse are stiff, so that the fingers are not opened well."

Wan Baoming said: "There are many ways to deal with stiff corpses, such as soaking them in hot water or rubbing them with your hands to warm them up, which can relieve rigor mortis. It is not difficult to obtain fingerprints from second-level corpses. We usually do a lot of them."

Wan Baoming: "The third level is a shrunken corpse. This is mainly because the corpse is dehydrated, and the treatment plan is generally to inject liquid corpse wax or glycerin. It is difficult to obtain fingerprints from this type of corpse. Our Changyang Municipal Bureau does relatively more fingerprints of this type, and often undertakes identification tasks sent by other units."

He said this, and those who are knowledgeable or not will understand that the third type of fingerprint acquisition method is already the ceiling of Shannan Province.

"Level 4 is the epidermal gloves I just mentioned. The principle of epidermal gloves is simple to say, but it is really not simple to make. It is very difficult and has a high failure rate. In many cases, luck is required. There are not many successful examples in our Changyang Municipal Bureau." Wan Baoming paused and said, "The current conditions of this corpse cannot even make epidermal gloves. This is actually beyond the general forensic technology."

Wan Baoming thought for a while and said, "As far as I know, the fourth level can basically be achieved in China. What Captain Jiang is doing now should not be done by anyone in China."

"It is still done, but there are relatively few examples." Jiang Yuan took over at this time, and while working, he introduced: "I have found a few remaining epidermal layers. The preliminary judgment is that it belongs to the index finger. Because the epidermal tissue is already very thin, it is easy to shrink when treated with conventional physiological saline or formalin, so I tried to rinse it directly with clean water."

Jiang Yuan bent over and operated carefully, but the specific movements could not be seen clearly.

"Okay, I will put this epidermal tissue on a glass slide and take a photo to fix the evidence." Jiang Yuan said this, and he had already picked up the camera. After taking the photo himself, he looked at the photo.

Jiang Yuan said it simply, but this is not a simple technical discussion meeting after all. For the police present, this is a practical operation performance, and it is a technical service that everyone can enjoy after joining the Taihe Working Group.

Thinking of this, many people have already taken out their mobile phones and started to contact people who know the business silently.