Chapter 709 Although It Is Not Necessary,

Chapter 709 Although it is not necessary, but...

"The car will arrive soon, park directly at the gate of the community, Captain Jiang, you can go downstairs. Qi Changye spoke with a dry mouth and a hoarse voice.

He was quite excited, but he held the phone for too long, talked too much, and used his brain for too long, plus he worked for several days in a row, so he was a little bit exhausted.

At this time, a somewhat strange and familiar voice came from Jiang Yuan: "Bring some meat to your colleagues. I put the seasoning packet next to it. In fact, it doesn't matter if you don't dip it in the seasoning. The meat we cook is delicious even if you eat it plain."

"Okay. Then bring two boxes. They look very hungry. "Jiang Yuan took the big box brought by Jiang Fuzhen.

The box was specially customized a few years ago. It is very convenient to give as a gift or bring with you. There is meat in it, as well as space for simple bowls, chopsticks and seasonings. When going out camping, you can just unfold it and eat.

Jiang Fuzhen then asked the chefs to quickly pack a box of beef, and then a box of steamed buns and pickles. As the saying goes, meat and carbohydrates are perfect, and you won't change them even if you give them to a county magistrate. With the level of Beijing cadres, it's just right.

Qi Changye held up his mobile phone, listened to the words on the other side, and said in a low voice with great embarrassment: "Captain Jiang, you still don't need to bring it. We are at the scene again, and we can't eat at the scene..."

"Whoever eats at the scene, let him come to the laboratory to look at the microscope." Jiang Yuan responded first, and then said: "You can eat outside the cordon, and it's best to find a place indoors. At the same time, change the gloves, hoods, etc., and change to new ones when you enter the scene again..."

Without waiting for Qi Changye's response, Jiang Yuan picked up the things, ended the call, and called Mu Zhiyang, Wang Chuanxing and others, a total of 6 people.

The second murderer now faced was the one who could escape from Qi Changye and his professional colleagues. Jiang Yuan didn't want to explore how professional he was at all.

And the six professionally trained police officers gathered together, and there was no problem with defense without using hot weapons.

...

Meilin Garden.

The police car with the traffic police motorcycle leading the way arrived at the scene of the crime in just 20 minutes.

Jiang Yuan thanked him and hurried upstairs.

Now is the time to race against time , before the traces such as blood pools solidify, the time can be judged in minutes, but once solidified, because we don’t know when it is completely solidified, the judgment of the time of death will be at least a quarter of an hour off.

Fingerprints, DNA, or other biological samples, including trace evidence, certainly have the advantage of long-term validity, but the fresher the better.

Those old fingerprints may require LV3 fingerprint experts to compare, and fresh ones may be handled by Wang Zhong.

And the more likely situation is that some samples will either deteriorate or be decomposed by organisms over time, and the current investigators can’t see them at all, let alone the quality.

"I brought you beef." Jiang Yuan handed the meat box given by his father to Qi Changye at the door of the crime scene.

Qi Changye thanked him repeatedly, and sighed, "I'll give it to my colleagues first, and I'll go in with you."

"You can send a few people to set up the warning net to prevent the second murderer from going back and forth. "Jiang Yuan said it very seriously.

Qi Changye was stunned: "Normally not."

"Safety first." Jiang Yuan said as he dressed neatly and began to go inside for inspection.

Mu Zhiyang followed behind and said to Qi Changye: "Eat some meat and take a rest. Send someone if necessary. Don't follow me. It's tiring."

Qi Changye was also very tired. When Mu Zhiyang pointed at him, he suddenly realized, "I'll send someone, I'll send someone..."

Qi Changye stretched his neck and whispered: "Captain Jiang, we found the second murderer's image in the nearby surveillance, but we lost him later."

"Is there an image of the murderer? Show me?" Jiang Yuan continued to explain: "If there is a video recording, the murderer's gait and posture can be determined, which is helpful for footprint analysis and bloodstain analysis."

Qi Changye quickly agreed and came back with a notebook after a while.

"It's mainly these few videos. "Qi Changye first played a video from a surveillance camera near the building, which clearly showed the physical features and body shape of the second murderer, but his face was blocked by a mask and sunglasses and was almost unrecognizable.

"The accuracy and clarity of your camera are much better than those used in Ningtai County." Jiang Yuan praised.

Qi Changye felt praised and laughed twice, but suddenly felt something was wrong and said hurriedly: "It's not much better. The main reason is that the requirements in Beijing are high, and the requirements are different when choosing... This case is also urgent, so we searched for cameras with higher clarity first. "

"In theory, we can use skull reconstruction to restore the facial features of the second murderer, but this will take several days..." Jiang Yuan's first half of the sentence almost lit up Qi Changye's eyes, but the second half made his eyes wander.

Qi Changye whispered: "Actually... a few days will do. Although this case is urgent, it's not urgent here..."

Jiang Yuan waved his hand, interrupted Qi Changye's words, and transitioned to the second surveillance, and said: "Look at the murderer's gait, the military temperament is still there, it should be a long-term continuous state of exercise. If you can connect to the fingerprint database of soldiers, including veterans, and compare the fingerprints found at the scene, it may be possible to directly get the name..."

"There must be nothing wrong with the fingerprint database, but have we found the fingerprints of murderer No. 2 at the scene?" Qi Changye no longer cared about eating beef, although his hungry saliva went straight to his stomach.

Jiang Yuan pointed to the sheets and said, "You should be able to get a few here."

Qi Changye looked over and saw a patch of blood, but there were no fingerprints.

"The murderer wiped his hands here first, and there was a string of fingerprints dragged out, but he then covered it up with more blood. Our scene today is fresh enough, and we can uncover it to confirm the fingerprints. "Jiang Yuan said as he did it, and soon he actually got the fingerprints.

Qi Changye was stunned. It was not until Jiang Yuan asked him to connect to the database that he woke up from a dream.

"Great, in this case, you can directly read the identity information of the murderer?" Qi Changye's mood today can be described as ups and downs.

According to the analysis of past situations, the more professional the opponent we encounter, the less information advantage we can obtain.

The work done by Jiang Yuan has obviously broken through this category. At present, it seems that Jiang Yuan is more like choosing which method can solve the problem more easily, rather than whether it can be done.

Jiang Yuan just nodded slightly, and then said: "This kind of fingerprint database may be fragmented. You can ask them to compare it first to see if there are any results."

Qi Changye continued to be confused and nodded: "Okay. Then let's..."

"In such a good environment, let's do a crime scene reconstruction through blood stain analysis first." Jiang Yuan said, taking two steps back and opening the crime scene reconstruction (temporary +1 and lasting for 535 minutes).

In fact, there is absolutely no need. In such a fresh crime scene, there is a lot of blood, a lot of footprints, and various signs of turning. The LV5 crime scene reconstruction is completely sufficient.

However, from another perspective, it would be a waste not to use the temporary +1 skill of the crime scene in such a fresh scene.

This skill and any skill's temporary +1 are independent of each other. If no one dies in the last 24 hours, it will really be useless.

As a result, Jiang Yuan's crime scene reconstruction skill temporarily reached LV6. Jiang Yuan's face turned gloomy and he said slowly: "An acquaintance committed the crime. The murderer knocked on the door and entered, but was intercepted by the victim at the entrance. The two of them were likely to have an affair. After a dispute, the murderer used violent means to force the victim into the bedroom..."

"The victim basically had no ability to resist, which shows that the murderer's performance completely exceeded her expectations..."

"The murderer tortured the victim for a short time and the intensity was not low. He should have gained something. Judging from the order of rummaging through the items, he had a strong purpose..."

Jiang Yuan finished the description, sighed again, and said: "Actually, the rest is of no use anymore. You should have a list of the victims' contacts. Fingerprint comparison is done, the most stable way to get results... "

Qi Changye showed LV6 shock, and when he took out his mobile phone, he only had the stability of 2.