Chapter 96 Join the task force
A small fingerprint can reveal all-encompassing information.
In addition to age, fingerprints can also be used to determine whether the other person smokes, whether he has taken medicine or drank alcohol recently, and even what cosmetics the other person uses. The answer can be obtained through fingerprint identification analysis.
Because fingerprints are composed of a mixture of sweat and oil secreted by the sweat glands and sebaceous glands on the fingers.
98% of these ingredients are water, in addition to various trace elements such as amino acids, iron, magnesium, zinc, and urea.
It is these subtle components that can reveal relevant information about different individuals.
Because people with different living habits have subtle differences in the chemical substances contained in sweat and oil.
For example, people with heavy tastes usually eat more salt, and the sodium ion content in fingerprint residues will be higher.
Of course, since fingerprints themselves are relatively small, the amount of residual substances is calculated in milligrams and micrograms.
For the identification and analysis of fingerprint residues, ordinary instruments are not suitable.
This involves another skill, trace evidence analysis.
In reality, any contact between objects will cause changes in trace amounts of matter.
The changed trace substances can indicate whether a certain fact has occurred or not or connect the objects in contact.
Through the identification of trace physical evidence, its source can be determined, the crime process and the characteristics of the criminal can be revealed, thereby providing evidence for investigation and solving the case.
Although Lu Chuan has no skills in this area, some of this knowledge is included in the advanced fingerprint identification analysis.
In Lu Chuan's view, advanced skills are no longer a single skill, but a collection of multiple skills.
For example, image processing technology and advanced fingerprint identification analysis provide more abundant pre-processing methods for fingerprints.
It involves how to use drawing software to process fingerprints.
This involves a series of image processing skills such as image transformation, decoding compression, enhancement and restoration.
Although the skill rewarded by the system is advanced fingerprint identification analysis, after Lu Chuan masters it, he can also use other abilities involved alone.
The morning of November 21st.
The warm sun in winter is like a girl's bare hands, touching the body without burning, but still feeling.
The case of Song Kun's murder is said to have been handed over to the provincial department.
Experts were sent over and a task force was reorganized, with elite soldiers drawn from many departments including economic investigation, criminal investigation, and technical appraisal centers.
Even, Lu Chuan heard from Lao Bai that the task force also invited experts from the Provincial People's Hospital to serve as consultants.
The color of the anthurium that has not been taken care of for several days is slightly dull.
Lu Chuan is carefully building it, fertilizing and watering it, and moving it to the windowsill to bask in the warm sunshine.
Lao Bai held an enamel jar and hummed excerpts from Peking Opera that Lu Chuan had never heard of.
Yang Sen was in Panchuan as usual, and the 28-yuan small-leaf red sandalwood already had some meaning of small-leaf red sandalwood.
The pig hair brushes currently discovered have made great contributions.
However, the wear and tear of the brush is a bit serious. The originally dense and hard hair is now a little curled, and there is even alopecia areata in the middle.
"Lao Yang, this brush is public property. It needs to be kept with you when it wears out."
The pig hair brush may not have thought that in addition to being in close contact with bones in his life, There are also such uses.
Brushes are like this, let alone people.
So, no one should ever underestimate their abilities.
Just like Wanshi service has been moved from Simmons to the live broadcast room, the value created is even higher.
More people appreciate beauty. It is the right of all men to be influenced by art.
Ring ring ring!
In the current survey office, there is only one landline phone, which is on Liu Guodong’s desk.
When it rings, it means work is coming.
Sure enough, Liu Guodong put down the phone after a moment and looked at Lu Chuan: "Xiao Lu, come with me to Team Qin's office."
"Team Qin is back?"
Qin Yong was early in the morning He went to the city bureau to attend the preparatory meeting for the task force, and he came back so soon?
Putting down the anthurium and stroking it gently, Lu Chuan put on his police uniform jacket and followed Liu Guodong away.
In other words, during this period, Qin Yong came to the site to express condolences obviously not as much as before.
Most of the time, Lu Chuan was called to the office.
Everyone had a good sleep last night. Song Kun was murdered, and one of the murderers has been arrested. Wang Manli's boyfriend is currently not in Haizhou City, but the specific location is also known.
According to yesterday’s plan, the arrest operation will be carried out today.
"Xiao Lu, please prepare. In the next period of time, you will follow me and serve as a member of the task force to participate in the detection of subsequent cases."
Lu Chuan was slightly stunned. He didn't expect that Qin Yong called him over to talk about joining the task force.
Liu Guodong was happy, this was a good thing for Lu Chuan.
"Is there no problem with the current survey office?"
"No, no, Team Qin can rest assured that Xiao Lu will definitely be able to cooperate with the work of the task force."
Qin Yong nodded. Liu Guodong's statement made him feel very comfortable. Leaders often need such subordinates.
He can understand when you are really asking for advice and when you are following a process.
“Follow me to the municipal bureau in the afternoon. Experts from the provincial department will arrive in the afternoon.”
“Yes!”
“Ding!”
“ Advanced tasks: Join the Provincial Department’s task force, assist Li Donglin of the Provincial Department of Criminal Investigation Division 2, collect clues, and provide technical support for solving cases. ”
The current survey office.
“This is a good thing!”
Lao Bai put down the enamel vat and was very happy to know that Lu Chuan was about to join the task force.
Yang Sen also put down the pig-hair brush and held it in his hand: "It's a good thing to know experts from the provincial department and have qualifications."
Task force, it depends. What level of task force and what cases are involved.
Generally speaking, whenever a homicide occurs, a homicide task force will be set up.
Level... There is no level. The criminal investigation detachment formed its own task force just to solve the case.
Of course, this does not mean that the case will be solved if a special task force is set up.
So, the task force also means to pin a case specifically on a certain criminal police officer.
For unsolved cases, the detachment will designate one or two criminal police officers to focus exclusively on the case.
This is the origin of the daily work of front-line criminal investigators. As long as no new cases occur, work on previous cases must be done.
Many criminal police officers carry several unsolved cases with them throughout their lives.
Ten or twenty years, as long as I don’t retire, I always want to solve this case.
Slowly, it became a heart disease.
There are very few front-line criminal police officers who retire without a backlog of cases.
Of course, some people can't survive retirement, such as Song Kun.
Song Kun was one of the few people who had no backlog of cases during his lifetime, but he died in a common disappearance case when he was about to retire.
The one level higher than the task force established by the Criminal Investigation Detachment is the task force established by the Municipal Bureau.
This type of task force, whether it is a homicide, robbery or other case, will have a much greater influence.
In most cases, there will be cooperation between different police types.
But a task force of this level has influence in the city bureau.
The task force established by the provincial department is different.
There are not many cases where the provincial department has set up a special task force, but if there is one, it is a major case.
Under normal circumstances, no arrogant suspect with two or three lives at hand would be qualified for this.
Song Kun was a criminal police officer, but he was not worthy of this level even if he was killed.
But the case behind Song Kun's murder is worthy of the provincial department's attention.
Because Wang Manli initially confessed that there were already four people missing from her hands.
Three years, four people.
(End of this chapter)