Regarding the human skeleton, Lu Chuan studied it during university.
But it was just a general understanding.
This subject is a must-learn for a forensic doctor, and cri scene investigation only requires a general understanding.
And this ti, the system’s reward information has given Lu Chuan a profound understanding of the structure and characteristics of human bones.
For instance, the number of bones.
A normal adult has 206 bones, but what about children?
Children have around 217 or 218 bones, with differences in the skull and sacrum.
Children’s skulls and sacra gradually fuse during growth, forming one bone from several.
There might even be differences in the finger bones.
This relates to the chanism of human growth in height.
Between a child’s limb bones, there’s a segnt of fragile bone in each joint.
This is crucial for bone growth, but as age increases, the fragile bone slowly diminishes until it disappears.
At that point, height growth ceases.
However, so people’s fragile bones don’t disappear but instead calcify into regular bone.
This is equivalent to having an extra bone.
There’s even a saying in dicine that the difference between children and adults is as significant as the difference between humans and chimpanzees.
In fact, from a dical perspective, they are considered different species.
And skeleton identification analysis involves much more than just the number of bones.
The ti of formation of different skeletons under various conditions, the rate, and degree of ossification all differ.
How to determine a deceased’s physical characteristics, cause of death, etc., based on bone hardness, bone density, and surface roughness?
These are abilities within the interdiate skeleton identification analysis skills.
It can be said that with interdiate skeleton identification analysis, Lu Chuan is to so extent a forensic doctor.
Of course, there are many branches of forensic science.
Such as forensic pathology, forensic clinical dicine, forensic toxicology, etc.
There’s even forensic entomology.
Normal people generally don’t understand what the branch of forensic entomology is.
This involves determining the ti of death.
Generally, the ti of death can be judged by the degree of rigor mortis and the depth of livor mortis.
But this isn’t precise and can only be used for temporary judgnts on the scene.
A forensic doctor must evaluate the body’s surface, dissect it, and assess internal organ temperature, degree of decomposition, blood coagulation, etc., to determine ti of death.
But with highly decomposed bodies, rigor mortis has disappeared, livor mortis dissipated, and even venous decomposition appears.
At this point, only the approximate number of days since death can be determined from the body’s surface, not the exact ti.
This is where forensic entomology cos in handy.
After human decay, various bacteria nurture within the body, gradually producing maggots that hatch into flies.
Forensic entomology can fairly accurately determine the ti of death by studying the growth cycle of the insects inside the body.
Skeleton identification analysis is a very niche discipline usually encompassed within forensic anthropology.
Recalling this, a figure flashed across Lu Chuan’s mind.
Yesterday in the forensic examination room, he promised to treat Shen Yan to dinner tonight.
Whether it’s forensics or cri scene investigation, both essentially deal with preliminary work.
Whether a case is solved or not, the pressure from this work isn’t light, but compared to regular criminal police, it’s slightly less.
After all, when really busy, an all-nighter almost suffices.
It’s like the difference between a courtesan and a regular girl; though the nature of the work is the sa, the perks and the level of pretentiousness vary.
But before arranging dinner, Lu Chuan wanted to take a nap at ho.
He was a bit exhausted from pulling an all-nighter yesterday.
As for the case follow-up, the suspect had been captured, and the remaining work involved consolidating evidence and organizing materials.
The Wang Song case has a high probability of resulting in a death penalty.
So every detail of the case needs ticulous attention.
Lu Chuan hadn’t been on the force long, but he had experienced a death penalty case review.
After the Zhang Wen murder case was solved, several units sent fifty or sixty people who interviewed all the involved criminal police officers.
Lu Chuan, being the cri scene investigator who provided crucial leads, was naturally included as a key focus.
At the ti, wave after wave of people bombarded Lu Chuan with questions for an entire day.
Lu Chuan still gets a headache thinking about it.
But this is part of the normal process.
In the review of a death penalty case, all involved personnel must bear responsibility.
If problems aren’t caught during this process and corrected, discovering them ten years later during another review might not be just a simple inquiry.
Everyone in the chain would face disciplinary action, possibly more severe punishnt.
Lu Chuan casually rode a shared bike and drifted away from the Criminal Investigation Team.
While Lu Chuan was leaving, Yang Sen and Old Bai also wrapped up, but Liu Guodong was still burning the midnight oil.
He had no choice, being responsible for the cri scene investigation office ant he had to attend etings and such.
Lu Chuan wanted to cover for him but didn’t have the qualifications.
As for the cri scene report, it was completed by the wee hours.
Compared to the Zhang Wen murder case, this particular case had more exposed details.
Sun Jun from Action Group One and Ren Qiang from Group Two had already uncovered so clues.
The culprit, Wang Song, was already within the range of prioritized observation.
However, the footprints and fingerprints that Lu Chuan’s team extracted from the electric scooter decisively nailed Wang Song.
With this ironclad evidence, Wang Song had no room for denial.
In fact, this was true; upon seeing his fingerprints, Wang Song completely broke down.
He couldn’t understand how his fingerprints were found when the scooter had been subrged for three days.
At twenty past four in the afternoon,
Lu Chuan arrived again at the Criminal Investigation Team.
After sending Shen Yan a WeChat ssage, she instantly replied.
"If the Great Detective Lu is treating, I have to honor the invite. Where to?"
"Senior, stop teasing . What would you like for dinner?"
Lu Chuan truly didn’t see himself as anything special.
Without the system, he was just an ordinary graduate.
At most, a graduate with mories of a past life, reborn.
"This afternoon, during the case summary eting, Captain Qin praised you significantly."
"Oh... I really didn’t know, I went ho to catch up on sleep during the day..."
Shen Yan sent a playful, sour emoji: "With a homicide... only you cri scene guys dare to go sleep."
Lu Chuan saw no issue; having completed his work, there was no point in staying idle at work instead of recharging at ho.
"Senior, what do you fancy for dinner, it’s almost ti to clock off, let’s head out!"
"Don’t call ’Senior,’ it makes feel old; just call Shen Yan..."
"As for dinner... I heard from Chen Lu at the agency that a new health hotpot place opened on Friendship Road; should we give it a shot?"
Lu Chuan replied with an OK hand emoji.
A hotpot is great; the lady can have veggies, and he can indulge in at.
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