Chapter 1327

*Slap! *

Shen Shen Yaowei slapped the document onto Wang Wang Chuanxing's desk and said: "We've been waiting for half an hour already, Brother Wang, let's hurry up. I'm really dying of anxiety."

"Is the suspect in a hurry to die?" Wang Wang Chuanxing joked. Seeing Shen Shen Yaowei didn't laugh, he shook his head and said: "Shen Yaowei, you've changed. You used to speak so pleasantly..."

Shen Shen Yaowei curled his lip: "I used to be a person with connections, so of course I had to speak pleasantly. Now I'm a technical criminal police officer, I respect the law and physics..."

"You've got something there," Wang Wang Chuanxing laughed.

A criminal police officer from the Anwan City Bureau nearby was also in line. Hearing their conversation, he looked over amusedly and said: "Everyone else transitions from law and physics to connections. Did you walk the path in reverse?"

"Paths are made by people walking them." Shen Shen Yaowei saw it was a police officer he didn't know, so he just replied lightly, thinking to himself: Director Jiang likes it, who do you think you are!

*Cackle, cackle, cackle, cackle... *

Wang Wang Chuanxing printed a form for Shen Shen Yaowei and said: "Your case has been transferred to the Nancheng District Bureau of Anwan City to handle. Take this form, find their office to get a stamp, and then send the suspect directly to the Nancheng District Bureau. The office has their phone number too."

"Why was it delegated downward?" Shen Shen Yaowei wasn't happy. The suspect he had worked so hard to catch was certainly worthy of a higher-level police bureau.

Wang Wang Chuanxing laughed: "Do you think it's still a few days ago? The current situation isn't just good, it isn't just great, it's super good. Hurry up and go. If the district bureau gets full later, the suspects will have to be sent out of the city!"

"Alrighty. That... remember to look for me if there are any search missions." Shen Shen Yaowei was also single-mindedly trying to establish his persona as a "Search Master" within the team. Just catching suspects bitterly, while brainless, was truly meaningless.

Wang Wang Chuanxing naturally agreed. As more cases were investigated, all types of needs would arise, and search-type missions were not few in number. Aside from Shen Shen Yaowei, most people didn't really like these types of missions.

Quickly finishing the paperwork in his hands, Wang Wang Chuanxing hurried toward the laboratory. He still had to continue serving Jiang Yuan; if he went late, Jiang Yuan might find someone else to serve him.

Laboratory.

Two experts, Liu Changhe and Lin An, looked at Jiang Yuan with full expectation as he performed image enhancement on the computer.

Their expertise lay in fingerprint extraction technology, especially in using different methods to reveal fingerprints—simply put, it was about finding ways to make fingerprints glow, and then extracting them.

This was naturally a very important technical means and one of the cores of fingerprint technology.

However, obtaining a fingerprint didn't mean one could find the suspect. This period still required cumbersome steps and exquisite technology. If not for this, the two wouldn't have rushed to find Jiang Yuan.

The ministry had plenty of experts proficient in certain aspects, but the two of them didn't have the ability to integrate these parallel resources to serve themselves. By comparison, Jiang Yuan, who came from the grassroots, had mastered more comprehensive technology. This was the same routine as technicians in a company; technicians in small companies often had to be jacks-of-all-trades, while technicians in large companies needed to have specialties in certain areas to stand out.

Of course, a technician like Jiang Yuan, who was a jack-of-all-trades and the real deal, was scarce in any industry. Therefore, even though Liu Changhe and Lin An were highly valued within the ministry, after arriving in Anwan, they just calmly accompanied Jiang Yuan in his work.

They now wanted to use new technology to solve several major and serious cases; nothing else was important.

Jiang Yuan was also trying out new technology wantonly.

After completing the identification of 6 fingerprints in a row, Jiang Yuan carefully yet boldly chose the major case "Cuiling 211."

This was a very heinous extermination case that occurred on the morning of the first day of the Lunar New Year six years ago. Zhang Guoyi, a medicinal herb buyer in Cuiling Township, Fangshan City, and his family of four, including Zhang Guoyi and his wife, his 15-year-old son, and his 68-year-old mother, were killed by a sharp blade in their own villa.

Because of local customs, people didn't pay New Year visits on the first day, and only started moving about on the second day, so the bodies of Zhang Guoyi's family weren't discovered until the morning of the second day.

As everyone knows, the period around the New Year is when vendetta killings and extermination cases occur most frequently. When the laughter of a happy family comes from the enemy, one's own anger will be more intense, more painful, and more uninhibited than on ordinary days. And for a murderer who has carefully planned an extermination case, the New Year season is also a convenient time.

The police naturally followed the direction of a vendetta. As a medicinal herb buyer, Zhang Guoyi traveled to surrounding villages all year round, had quite a few economic disputes and competitors, and he himself wasn't a person with a good temper, so he had offended quite a few people.

After an investigation, however, no qualified suspect was found. While the New Year was conducive to enemy retaliation, it also made it convenient for suspects to provide alibis. Several suspected targets were basically released home after one round of interrogation.

This case thus became the first major case after the New Year, yet it was never solved. Subsequent investigations proved that this case was highly likely a robbery-murder, but this conclusion only made the case go cold faster.

Jiang Yuan chose this case partly because of the heinous nature of "Cuiling 211," which was also a well-known cold case in Pingzhou in recent years, and partly because the murderer had left behind several rather blurry but obvious bloody handprints.

The bloody handprints mainly came from curtains and towels. This was also a common scene when using knives to kill.

Friends who haven't killed anyone often think of clean and neat killings when conceiving a case, leaving without a trace, but only when they actually practice it will they understand that this perfect situation isn't easy to appear, especially when killing 4 people in a row. Not only is it a test of the murderer's physical strength, but let me ask you, is the blood all over your hands slippery?

When stabbing people with a knife, those who know how to conserve strength are considered masters.

Why do some knives have handguards? If European swords had a need for proximal defense, the handguards of Chinese swords were only to prevent the wielder's fingers from sliding onto the blade, or to prevent the wielder from stabbing the hilt in as well.

When people are excited, it's very easy to use too much force. Killing is probably the most excited situation.

On the other hand, victims stabbed and slashed by knives might be fearful at first, but once the blade is upon them, they inevitably struggle before death, and snatching the knife from each other is also very common.

Therefore, when it really comes to killing with a knife, not only will there be blood all over the floor and walls, but the fantasy of wearing a latex glove or something is not only unrealistic, but also easy to be killed in return. By comparison, the cotton gloves often used by forensic doctors would be a bit better.

But if it's a serial killing, after killing the second person, a smarter novice murderer should also realize that taking off the gloves and wiping the hands clean is very necessary.

Unfortunately, Pingzhou's criminal science personnel failed to find the murderer's fingerprints or DNA from the bloodstains on the curtains and towels used for wiping at the scene.

After carefully observing the photos of the case, Jiang Yuan felt there was quite a bit of hope.