Chapter 87 Try searching

March 12, 2011

Zhou Ning quickly came to the second floor of the criminal police team. As soon as he walked to the forensic room, he heard a sound next door. He was slightly surprised and glanced at the time on his watch. It was only 7:30 at this time. Could it be that these people had been there so early in the morning?

Just coming?

I stood on tiptoe and looked through the window above the door, and saw that many people were busy inside.

Zhou Ning shook his head. These are all technical lunatics. He quickly returned to the office, turned on the computer, and logged into the mailbox directly. He was anxious to know the test results. After all, the test report was not given yesterday. Xu Dayuan had a quarrel with the testing center.

Fan.

Fortunately, there were three unread emails in the mailbox, and Zhou Ning quickly clicked to receive them.

Passing through the others, he went straight to test the vaginal extract. No Miqingzi was found, only a variety of oils were present. The component analysis was a commonly used ingredient for smearing on the surface of elves. However, in the body fluids, one was extracted that did not belong to

DNA samples from the deceased.

And underneath the DNA sample, there is a line of red font that says:

Note in particular that the sex chromosome of this DNA sample is XXY.

Seeing this red letter mark, Zhou Ning's heartbeat accelerated. Such a special piece of DNA was so specific.

Zhou Ning quickly looked through the tests at the back. After all, there was blood stains on the windshield. When he found the last page, it turned out that the remaining blood stains were consistent with another DNA found in the deceased. Zhou Ning slammed the table twice.

You guessed it, you guessed it really. It seems that the murderer discovered that the deceased came out alone very suddenly, so he made an impromptu decision. As for the DNA residue in the body of the deceased, it was either skin flakes and oil on his hands, or there were injuries on his hands.

Of course, Zhou Ning prefers the latter. When the wound on his hand rubbed against the windshield and violated the deceased, he did not pay attention to the wound. After all, 90% of XXY's patients did not have Mi Qingzi.

At the same time as he clicked to print, the door was opened, and Liu Yongxin walked in with eight steps, followed closely by Da Zhao. When he saw Zhou Ning with bright eyes, he paused slightly.

"What are you eating so early in the morning? You're so excited. Did you find a gold nugget?"

Zhou Ning said with a smile:

"Almost, the inspection report is out."

Liu Yongxin quickly walked to the printer and read the reports one by one. When he saw the boss with his mouth hanging open at the end, Da Zhao stood behind Liu Yongxin and read them again, scratching his head with a puzzled look on his face.

"What does XXY chromosome mean?"

Zhou Ning was in a good mood and was naturally willing to answer questions.

"You should have learned it in biology class. Among the sex chromosomes, males are XY and females are XX. People with XXY chromosomes usually show the physiological characteristics of XY males. Individuals with androgen deficiency may have varying degrees of feminization.

Secondary sexual characteristics.

For example, he looks male, but his appearance is very short, his Adam's apple is not obvious, his chest does not have pectoralis major muscles but has fat thickening and development, and his balls and beard are underdeveloped. The reproductive organ may be normal, but there is no sperm, or it may be accompanied by

There is low function.

Tennis player Sarah Groneld is an XXY hermaphrodite. She had male genital removal surgery at the age of 19 and became a woman biologically. She later participated in various competitions for women."

Da Zhao opened his mouth wide and couldn't recover from the shock for a long time.

"That is to say, this murderer is a "second cutter"?"

Liu Yongxin paused, not particularly excited, but worried.

"This DNA is obviously different from the DNA in the joint investigation announcement issued by the city bureau. Does that mean that this case has nothing to do with the red serial murder case?"

Zhou Ning nodded, he also thought of this.

"I think whether it is an extension of the Red Clothes Serial Murder Case has little to do with our detection of this case. We will just do our own thing. If there is a connection or overturn the previous city bureau's investigation, that is a story for later.

After all, from the current point of view, the only things they have in common are the red clothes and the cut fingerprints."

Liu Yongxin exhaled a breath.

"Tell Dr. Lu, aren't they still busy recovering the skulls of the five anonymous people?"

Zhou Ning picked up a printing material and nodded towards Liu Yongxin.

"Let me go and tell you, master, please give Xu Da this trick. I think that if he could be so clear about his own symptoms and yet feel safe and bold to violate the victim, this murderer must have had a checkup, so we can start from this aspect."

Liu Yongxin smiled.

"Exactly what I thought."

Zhou Ning took the report and walked to the next door. Dr. Lu quickly waved his hand when he saw Zhou Ning.

"Forensic Doctor Zhou came over to take a look. We have made some progress here."

Zhou Ning folded the report in his hand and walked to Dr. Lu. He is here to help you. No matter what, his enthusiasm cannot be dampened, so he was not in a hurry to talk about the report.

Dr. Lu pointed to the display screen. This display screen was not the size of an ordinary computer. It was a 60-inch LCD screen. Colorful portraits of five women appeared on it. Next to the portraits, there were options for skin color and hairstyle.

, iris color options.

After looking at it carefully, he found that these five people all had short hair and the same skin color and hair color. However, at a glance, these five people seemed to have some similarities. He couldn't tell where they were similar. He just felt it at a glance.

Several people look alike.

"We haven't adjusted the details. This was synthesized according to the software, and various data of the facial features were calculated. But for hair color, length and other things, you can help me take a look. This is the file at that time."

With that said, Dr. Lu handed Zhou Ning a tablet computer with some electronic files and documents on it. Zhou Ning put the report on the table and began to browse through them one by one.

The photos taken at the scene are very clear, but the skin color of the highly decomposed corpses is a purple-black state. There are many abuse injuries on the face. As for the iris, it is impossible to distinguish. After all, if the death lasts for more than 24 hours, the cornea will be damaged.

It starts to become cloudy and becomes completely opaque after 48 hours.

Zhou Ning narrowed his eyes and stared at the composite image of the five people for a long time. Xiao Qu came over and handed the control handle to Zhou Ning. Zhou Ning chose the hairstyle, skin color and iris color last time. He felt that Zhou Ning's

Judgments on aspects are more convincing.

"Forensic Doctor Zhou, you can make adjustments."

Zhou Ning did not shirk, holding the control arm and staring at the first restoration picture. Thinking of Cheng Chunyan's appearance, he changed his hair to chestnut brown, his hairstyle to long curly hair, and then his skin color was adjusted to white.

The color and irises were also changed to dark brown, after all, most yellow people have this color.

After completing the adjustment, click Apply, and the restoration picture No. 1 has completely changed. Dr. Lu held his chin with one hand and stared at the restoration picture.

"Why do I feel that this victim looks a bit like the Cheng Chunyan who recovered before?"

Zhou Ning nodded.

"These people all have something in common. Their eyebrows are far apart, their pupils are far apart, their lips are thin, their zygomatic arch is not obvious, and their mandible is slightly protruding. I don't know if there are any photos of the six identified victims before, so I can compare them here.

"

Dr. Lu suddenly realized and quickly went to the computer to search. Zhou Ning kept moving and quickly changed the remaining four restoration pictures one by one. Except for the hairstyle, they all selected the same parameters as the first restoration picture.

At this time, more and more people gathered next to the display screen. Everyone stared at the restored picture and kept talking about their thoughts. Xiaoqu came closer.

"This can also display makeup, but I don't have many input types."

Zhou Ning smiled and shook his head. He didn't understand makeup, but in this state, searching in the household registration system was enough.

Before he could say anything, Dr. Lu had already walked over excitedly, holding his laptop and showing it to Zhou Ning.

"Forensic Doctor Zhou, look at these photos of the six victims. As soon as you told me, I discovered that although these six girls are younger and still studying in school, their hair is wavy and dyed."

Zhou Ning took it and looked at it carefully. There were two photos on each page, one was the victim's ID photo, and the other was a photo of the scene. The dividing line between the deceased's hair dyeing and the curly state of the long hair could be clearly seen.

"I just read the investigation reports of these five victims. The estimates of the deceased's stature were all around 160cm tall and weighed 80-90 kilograms. It seems that the murderer had a special affinity for chestnut-brown curly hair and thin women.

preference.”

Zhou Ning paused and then said:

"Dr. Lu, the test report on our case has come out. A special DNA was found in the body of the deceased and on the windshield, but it has nothing to do with what was announced in the city bureau's co-investigation order. Maybe this is not the twelfth serial murder case in red.

"

Dr. Lu waved his hand.

"Don't be stuck by these rules and regulations. We who are engaged in scientific research must see real results in everything. We didn't say we were looking for trouble for the municipal bureau. We just treated it as an experiment. We quickly put the restoration pictures of these five people in the household registration system.

Try searching it!”
Chapter completed!