Rebirth: A Female Forensic Doctor
Chapter 277 Technical Analysis
The police officers who came to work at the Lu City Police Station in the morning watched curiously as a little girl walked into the police station early in the morning and headed towards the office of the Criminal Investigation Team with a familiar familiarity.
When Ye Fan entered the office of the criminal investigation team, the criminal investigators who had come to work were stunned for a moment. After they came to their senses, they all looked at her with strange eyes. Several police officers who had investigated the case of a female corpse in the wilderness even greeted her warmly.
Come up.
Even though she is young, she is highly regarded by Mr. Feng and joined the project lady directly as an assistant. She is awesome.
Naturally, some people can't stand it. After all, they are regular criminal police officers and are not qualified to join the task force. She has not even grown a single hair. She is a little girl who has just entered college. Why?
But they didn't dare to attack because the regular troops were coming.
"Ye Fan, are you here so early?" As soon as Captain Chang heard that Ye Fan was coming, he hurriedly walked out of the office. He walked very fast, with a smile on his always fierce face, but he frightened the criminal investigation policemen under him.
Not easy.
"Ye Fan." He Pingfei and Han Han saw her and happily went up to her. The smiles on their faces were very sincere, as if they were seeing their little sister, rather than just pretending to care about Mr. Feng's face.
Kung Fu also made other police officers deeply aware of this little girl's status in the task force.
"Team Chang, Brother He, Sister Han." Ye Fan greeted them one by one.
"Let's go to the conference room first. Su Liang and Xia Dong will be there later." Team Chang said to Ye Fan with a smile.
"Well, okay." Ye Fan followed the regular team towards the conference room, with He Pingfei and Han Han surrounding her.
In the conference room, Su Liang and the others hadn't arrived yet. Team Chang said that they had worked overtime last night and were still sorting out materials. They might have to wait for a while, so they first asked with concern whether Ye Fan was used to studying in school.
Ye Fan has answered many times in the past two days, and answered again. She can feel everyone's sincere concern, and there is a warm breath lingering in her heart.
After waiting for more than 20 minutes, Xia Dong, Su Liang and Qian Qian hurriedly came in with a few documents. As soon as they came in, they smiled at Ye Fan and asked a few questions, and then started to open the case after saying a few words.
Analysis meeting.
As for Liu Mang, he knew that there would be an analysis meeting today, but at this time, he had not come to work, and no one mentioned him. It would be better not to come.
Everyone sat in the same position as that day. This time there was no notebook in front of them. Qian Qian placed the documents they had just sorted out in front of everyone one by one.
Today, this analysis meeting is a special meeting for the technical team, so Su Liang will preside over it.
Although he is a boring gourd, his eyes will shine when he talks about technical testing topics.
Su Liang clicked the projector pen, and a photo appeared on the projection cloth, which was the black plastic bag used to hold the body.
"As expected, there are no fingerprints on the black plastic bag because it has been wet by rain, and no useful information can be detected."
Su Liang said, and everyone listened, looking at the documents in their hands, and continued to listen to him: "However, we detected the DNA of the deceased's blood in the bag. We can confirm that this black plastic bag is used for
In addition to pretending to be a headless female corpse, we also detected another ingredient."
Su Liang said, smiled lightly at Ye Fan and said: "Ye Fan, thanks to your reminder, this black plastic bag is not brand new."
Ye Fan's eyes lit up, and he smiled sheepishly under everyone's admiring glances.
Su Liang continued: "We detected residual components such as metal, humus, and dirt in the plastic bags. These components can prove that the black plastic bags were used to contain other things before they were used to contain corpses."
"It's garbage." Xia Dong heard where these residual ingredients came from.
"That's right." Su Liang confirmed his statement.
"So, the murderer dumped the garbage in the plastic bag and took the body in the plastic bag." Team Chang nodded, looked at Ye Fan, and said with unconcealed admiration in his eyes: "Your inference
It seems to be correct. The black plastic bag was taken by the murderer in a panic, and it is a garbage bag in a public area. The garbage in ordinary households does not have such complex ingredients."
Ye Fan was embarrassed again. She looked at the document and asked, "Can we deduce from the composition of the garbage what kind of public area it came from?"
Su Liang: "Most of it is domestic waste, which can at least exclude construction sites and commercial centers. I prefer residential areas and schools where people live."
It's easier to handle if it's directional, and it's a good clue.
Ye Fan was slightly happy and wrote this down.
Su Liang continued to click on the projector pen, and another photo was changed on the projection cloth, which was a photo of a small brown stain that Ye Fan cut out from the corpse's clothes.
"There is also this small stain. After our technical inspection, we found pigment powder, linseed oil in dry vegetable oil, color carrier and plasticizer..." Su Liang said.
Ye Fan was confused by the pile of professional terms.
Her current knowledge was all learned from books with her super memory, but she is not a god. It is impossible for her to read all the books in just a few months, especially some technical things.
, cannot be learned by relying on memory alone.
Su Liang saw her confusion. After explaining the detected ingredients, he summed it up simply and clearly: "General pigments are composed of these ingredients."
Ye Fan nodded clearly, looked at the relevant test reports in the document, and remembered them carefully.
"Pigment? According to Ye Fan's initial autopsy, the headless female body was lying on her back when she died, and the stain is here..." Chang Dui pointed to the position where his left shoulder was pointed back and down, thinking:
"In what kind of environment and under what circumstances would you be stained with paint in that posture?"
Everyone subconsciously touched the same location, imagining what it would be like.
"As for the paint, could it be places like those newly painted wall paintings? The murderer pressed the deceased on it..." Han Han first made a guess. Before she finished speaking, she shook her head and said: "No.
."
"It's indeed wrong." Qian Qian continued: "If the murderer pressed the deceased on the painted wall painting, it shouldn't be just a small area that was stained, and the whole area on his back would be stained, and the deceased
He was lying on his back instead of standing when he was killed, which can be proved by the analysis of the blood spatter on the deceased's skirt."
Su Liang showed the screenshot of the shot of blood splattering on the skirt that Lu Junyu focused on at that time, and clicked it again to play a short video of the blood splatter trajectory simulated by computer technology.
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