novice forensic medicine

Chapter 273 Teacher Xia is here!

January 2012, 3 4:9
Da Zhao, who was lying on the window, kept waving his hands behind him.

"Here we come, Teacher Xia is here!"

Zhou Ning also walked quickly to the window and looked down. Xia Momo was getting out of the car with a huge box in his arms. Xiaobai was about to reach out to pick it up, but Xia Momo avoided him. Zhou Ning couldn't help laughing .

The little white hair is frizzy, and Xia Momo won't feel at ease for him. Zhou Ning turned around and went downstairs. When he reached the first floor, Xia Momo had already walked in.

Seeing Xia Momo's somewhat pale face and the faint bruises under his eyes, Zhou Ning felt even more embarrassed.

"Stay up late, I'll get the things!"

Xia Momo shook her head and said nothing, but handed the box to Zhou Ning, and the two went upstairs, while Xiaobai kept scratching her hair from behind, with a puzzled expression on her face.

"I picked up the box, why did Teacher Xia ignore me and tell me not to touch it?"

Liu Yufei poked Xiaobai once, and gave him a supercilious look.

"Young yin and yang are weird, you are frizzy, I'm afraid you may fall, don't stare at Mrs. Xia, she doesn't like her younger brother, so hurry up and follow me to touch the row, I don't think you are tired."

The two of Zhou Ning came to the office, Xia Momo took off his coat, Zhou Ning carefully put the box on the table, and then introduced:

"This is Teacher Xia Momoxia from Qin University's special laboratory, one of the main developers of the software, and this is Forensic Doctor Xu, a forensic doctor from the Forensic Office of the Criminal Police Brigade of Rudong City, and a friend of my master."

Xia Momo quickly nodded towards Xu Guanhai, Xu Guanhai smiled and rubbed his hands.

"I didn't expect to be able to achieve such a result at such a young age. Hello, Teacher Xia."

Liu Yongxin bumped into Xu Guanhai and waved his hand towards Xia Momo.

"Okay, just a few words of pleasantries are enough, we are all technical, there is no such nonsense, Mr. Xia, do you need a separate office, free from interruptions?"

Xia Momo shook her head with a smile, and looked inside the office.

"You don't need a separate office, just be closer to the skeleton. It's more convenient for us."

Zhou Ning nodded, waved at Da Zhao and the others, and then looked at Liu Yongxin.

"Master, if you don't work hard, you can follow me. The recovery is very urgent, but the scene needs to be carefully inspected. I'm afraid that Da Zhao and the others will make omissions. You follow me and rest assured."

Liu Yongxin patted Zhou Ning on the shoulder.

"You and Teacher Xia are here to study the restoration of the skull with peace of mind. I took them to the scene. It happened that Director Xu and the others were going to screen the surrounding area of ​​Renjiazhuang Village. We can just follow along. I will tell the local people that at noon I will send you meals in advance, and leave them at the door so as not to disturb your work."

Zhou Ning nodded, and Master knew him best.

Like chasing ducks away, Liu Yongxin beckoned the others to leave quickly. Xia Momo had already taken off her coat, put on a white coat, her hair was tied up, and then opened the box.

Zhou Ning leaned over and helped Xia Momo take out the 3D printed skull inside and put it next to the skull of the deceased. After comparing it, Zhou Ning thought it was perfect.

"This technology is really powerful, the data is accurate, and the replication is perfect."

Xia Momo seemed dissatisfied, frowned slightly, found the scalpel, and kept cleaning up some excess parts on the edge, tidied it up for a while, then nodded in satisfaction.

"Okay, this is more perfect, shall we start repairing it now?"

"Ah."

"Give me the data, do you know the details of height, weight, hair color, pupil color, skin color, etc.?"

Zhou Ning shook his head.

"The deceased was found to be ossified, and there is very little information. The only thing I know is age, height, weight, or the estimated data. The accuracy is not high. As for the hair color, there are some short hair stuck in the woven bag. I think it is close to Pure black hair."

Xia Momo smiled at Zhou Ning.

"Don't worry, the deceased still has half of his face that is relatively complete. Let's repair the defect of the contralateral skull according to the proportional method, and then fill it with sculpture. No one will know if it will work if you don't try it, right?"

Zhou Ning also laughed. Xia Momo's words made his tense nerves relax. It was indeed as Xia Momo said, he cared too much about the result, but it was not like when he was investigating the case of hiding a corpse under the bed on 12.10. So simple, in fact, you don't need to care about the result so much, the most important thing is to find a way to break the situation.

Thinking of it this way, Zhou Ning felt a little more relaxed.

"Okay, then let's try it, if it doesn't work, start over."

Xia Momo also laughed.

"Don't worry, I'll let people continue to 3D print the skull. If we don't make it here, let them send it again. After all, the laboratory is also very concerned about this matter. I said last night that I will use this technology, and no one asked for leave. , all gone."

Zhou Ning nodded, and helped Xia Momo prepare plaster powder, and then the two began to constantly compare the bone condition of the deceased's right face and repair it.

Time passed quickly, and compared with the position of the complete bone on the other side, the two repaired the defective part. After Xia Momo scanned it, he used software to copy the appearance of the deceased, but it seemed that both of them were dissatisfied with this person's appearance.

Afterwards, he simply started again and repaired the sculpture's muscles. When it was finished, he realized that it was already past three o'clock in the afternoon. After washing his hands and seeing the results of the repair, Xia Momo was quite satisfied.

"I think it's very good, it looks more like a young man."

Zhou Ning smiled.

"There is nothing wrong with the facial features, but I always feel that I am not satisfied, but I can't tell. I will go and see if they have sent a box lunch. I guess I am too hungry, so the brain cells are not working."

Momo Xia quickly jumped up.

"After you said that, I realized that I was really hungry!"

Zhou Ning had already walked to the door. When he opened the door, there was a bag outside. Inside the bag were two brand new towels and four boxes in the middle. Not to mention he was very careful.

They came in with the box in their arms, and the two had a quick meal. At this moment, the sound of coughing was constantly coming from the computer. Zhou Ning rinsed his mouth. Just as he was about to open the mailbox, the phone rang.

It was Sister Cui who called, and Zhou Ning clicked the connect button a little excitedly.

"Miss."

"Well, I just sent you an email. Thinking about it, I'd like to call you to tell you that the deceased's blood test results came out. Many components were found in the blood, but the content was not much.

Among them, lidocaine and a trace amount of benzodiazepine diazepam were found, and the size of the collected cloth was a dip-dyed piece of 5*5 cm cloth.

I experimented. The fabric of this area needs to be soaked with blood, and at least 7ml of blood is needed. You can calculate the ratio.In addition, another substance was found, which is carbonamide. I don't think it's in the blood, so judge for yourself. "

Zhou Ning clenched his fists, his excitement was hard to express.

"Thank you, Sister Cui, I know that it is too difficult to extract the residual fabrics that have been left for many years. I guess you have done the collection work many times, thank you!"

"Hmph, it's alright, don't learn from Da Zhao's stupid brains, you can be busy, I have other work to do, because of your test, everything else has stopped."

Before Zhou Ning could say anything else, Sister Cui had already hung up the phone, and Xia Momo came over.

"Are you okay?"

Zhou Ning shook his head.

"Sister Cui has a straight temper, but she is absolutely serious about her work, and this extraction test is quite difficult. I don't know what method she found. By the way, I think there is something wrong with the restored sculpture of the deceased."

"where?"

"Hairstyle, the hairstyle you adjusted is indeed what young people like nowadays, but the deceased has been dead for seven or eight years or even longer, so this hairstyle is not quite right, and students at school seem to have requirements for the length of their hair."

Momo Xia suddenly realized, and quickly changed the profile picture scanned by the software into a parted hairstyle, and the length of the hair was a little shorter, so that the deceased looked a little more youthful.

Zhou Ning kept nodding.

Xia Momo started and quickly changed the sculpture's hairstyle.

After printing the inspection report, Zhou Ning stared at the contents of the report with a solemn expression.

Diazepam is diazepam, which can be detected in the blood. It is by no means as simple as oral diazepam, because it takes at least 30 minutes to 2 hours to take it orally, and the blood drug concentration will reach a certain amount before it will work.

Seven or eight years ago, anesthetics such as lidocaine were widely used in small dental clinics. Unlike LAT, which required special channels, diazepam was Valium tablets, which could be bought everywhere. After all, the management was not so strict at that time.

Could the murderer calculate the exact peak of the blood concentration, give diazepam to the deceased, and then inject lidocaine when he lost consciousness?
Unless it is a doctor, it is difficult to do it, but if it is a doctor, there is no need to do this. After all, there are many ways to make people lose consciousness and not be discovered. This is not a very reliable method.

As for carbonamide, this kind of thing is urea, which is probably related to the bag.

Zhou Ning shook his head and walked towards the clothes of the deceased again. There were a lot of plastic woven bags piled up next to them. The bags had puncture marks and were crumpled into a ball without any binding at the mouth.

Just as Zhou Ning unfolded the bag, something fluttering on the mouth of the bag caught Zhou Ning's attention.

At the mouth of the bag, there seemed to be a piece of paper sticking out of the bag, which was sewn to the mouth of the bag with stitches, but there was blood stains on it. Zhou Ning quickly pulled over the LED light and took a closer look.

It appeared to be a certificate of conformity, with a diamond-shaped stamp on it, with two ink-printed dates above and below, one marked January 2002, 1, and the other January 10, 2005.

There is a brand of chemical fertilizer on the bag, and there are two huge words 'urea' in the middle. Zhou Ning is familiar with this. After all, grandpa also planted that kind of population land in his hometown. He didn't sell food, but prepared seasonal food for his family. vegetable.

Urea is used for a long time and can be used from March to October.

Zhou Ning laid the bag flat on the stainless steel trolley and unfolded it completely. At this time, he could find that the place where the bag was not contaminated by blood was still very neat.

The bags kept in rural homes are mostly used to continue to hold things. It is by no means this level of cleanliness. It looks like they are used to hold corpses after pouring out the urea.

This idea surprised Zhou Ning himself.

(End of this chapter)