DNA, the full name Deoxyribonucleic.acid, Chinese called deoxyribonucleic acid, is the atomic substance of cells in the human body, each atom has 46 chromosomes, male sperm and female eggs, each has 23 chromosomes, when sperm and egg combined, these 46 atomic chromosomes (that is, 23 pairs of chromosomes) create a life.

Thus, the human species inherits half of the molecular matter from the biological father and the other half from the biological mother.

Human blood, hair, saliva, and oral cells can all be used for paternity testing.

A pair of genes in the same position on the same pair of chromosomes is called an allele, one should be the same as the mother, and one should be the same as the father, if all are the same, paternity can be determined, if there are more than 3 different loci, paternity is excluded.

In the field of DNA paternity testing, the accuracy rate of denying paternity is nearly 100%, and the accuracy rate of affirming paternity can reach 99. 99% (because a genetic mutation cannot be ruled out.) ）

Forensic personnel took Jiang Zhan's blood for DNA analysis, and compared it with the DNA map belonging to Jiang Yunheng that was kept in the police fire files 20 years ago.

THE RESULT IS NOT.MATCH.

Jiang Zhan and Jiang Yunheng have no parent-child relationship.

This appraisal report was lying quietly on the table in the conference room of the X City Public Security Bureau, and the people present, except for Yingxi, everyone else was shocked, and after the surprise, they became excited again.

Jiang Zhan is not Jiang Yunheng's biological father, so who is his biological father?

Is his biological father the murderer who killed Zhou Bin, Xing Xiaolei, and Huang Jian?

This is undoubtedly a huge clue.

However, there are clues, but it is very difficult to check.

Jiang Yunheng was 12 years old when he died, the same age as the three deceased, and if he was alive, he would be 32 years old this year, which means that if you want to find out who his biological father is, you have to start from 33 years ago.

It was not easy to find out what happened twenty years ago, let alone thirty-three years ago.

Thirty-three years ago, except for Zhang Youcheng, none of the people present were born.

Everyone looked at her, she was drinking tea slowly, this clue was discovered by her, and her ability was also obvious to all, and they all expected her to give her the next direction of action.

At this time, Lin Mo walked into the conference room and put a stack of materials in front of Wanwan, "This is all the files you want about Jiang Yunheng's biological mother." ”

She put down her teacup, looked up and said thank you, and then distributed the information to everyone, "Come on, let's work!" ”

Everyone looked at the information that was distributed in their hands, and they all smiled slightly, when it came to the speed of action, no one was faster than her.

Jing Sa is used to it, Cao Zhen has also adapted to it, Zhang Youcheng just wants to smoke a cigarette before reading the information, and Xiao Li has a stern face, takes out a pen, and has begun to seriously outline the key points on the file.

Lin Mo sat down beside him, and before the others began to look at the files, he had already read some of them, and narrated: "Jiang Yunheng's mother's name is Chu Li, born in XX, graduated from Chengnan Normal University in X City at the age of 23, and married Jiang Zhan after graduation, Jiang Zhan also graduated from Chengnan Normal University, one year higher than her, and was her senior, and in February of the following year after marriage, she gave birth to Jiang Yunheng. ”

With that, he handed a photo to her.

The woman in the photo is Chu Li, it should be a photo of her college days, the background is a sea of pear blossoms, she stands in the center, when she looks back, she is frozen by the camera at this moment, she is beautiful and graceful, dignified and elegant, her skin is very fair, the fat powder has not wiped a pair of eyes like the clear water waves of autumn, clear and quiet, the body is a little petite, weak and slender, wearing a light pink slim dress, the pink is very light and close to white, but very charming, like the most natural but also the most seductive flush on the girl's cheeks, I don't know if it is natural, Her expression was a little sad, and the waves in her eyes seemed to be tears, like a delicate little flower, which could easily arouse a man's desire to protect.

Such a look can't help but remind people of a poem: Yurong is lonely and tears are dry, and pear blossoms bring rain in spring.

What a beautiful and extraordinarily adorable woman......

Jing Sa said: "The two graduated from the same university, and they are considered brothers and sisters, so it is logical to get married." ”

University is a big farm that sprouts love, but unfortunately there are very few that can achieve positive results.

But that's not what she was concerned about," said February of the following year...... When did they get married? ”

"August 8th!"

"Was Jiang Yunheng born at full term?"

Lin Mo flipped through the small notebook for the police, "39 weeks of pregnancy is full-term. ”

When Cao Zhen heard this, he raised his eyebrows, "Captain Lin, you are really well prepared, and you will answer all questions." "I even found out whether Jiang Yunheng was born full-term, this speed is really a fight with Duanmu.

Lin Mo still had a paralyzed expression, "This is the most basic quality of being a policeman!" ”

When he asked to collect Chu Li's files, he also had a belly case, what should be investigated and what should not be investigated, he checked everything, how to say that he is an excellent policeman, and his ability to investigate cases is also extremely good, and at this time, he can't be embarrassed in front of the woman he likes.

"Yes, yes, police literacy!" Cao Zhen said with a smile, but added in his heart: If you chase a woman, you will chase a woman, what kind of police literacy is it, I know that you kid likes people.

Lin Mo pursued the matter of Wanwan, Cao Zhen heard about it from Zhang Youcheng as early as the day she came, he absolutely supported this matter, and he naturally liked Lin Mo more than Kangxi.

Although they are not from the same public security bureau, they are also policemen, so they should be their own people first.

This is called the fertilizer water does not fall into the fields of outsiders.

But well...... Cao Zhen glanced at Lin Mo, when Lin Mo sat next to her just now, she deliberately moved the chair to the other side, and she didn't even want to touch Lin Mo's elbows, and the refusal was very obvious.

It seems that King Xiang has a dream, and the goddess is ruthless.

Wan Wan calmly ignored Cao Zhen's words, and said: "A woman is pregnant in October, but it is actually nine months, which means that Chu Li was already pregnant when she got married, counting the days, it has been almost two months. ”

Zhang Youcheng's mouth was uncomfortable because he couldn't smoke, so he sighed and said, "Young people just don't know shame!" ”

Jing Sa bumped him with his elbow, "Rely on the old and sell the old, if she lives, she will be older than you, what a young man." ”

"I mean pregnant out of wedlock!"

Don't look at Zhang You, who grew up rough and straightforward, but he is a very conservative man at heart.

Xiao Li suddenly said, "Uncle Zhang, I remember that Yaoyao was also born 8 months after you and Aunt Zhang got married." ”

Yaoyao is Zhang Youcheng's daughter, two years younger than Xiao Li, and is still in college, Zhang Youcheng didn't have such a baby girl until he was thirty-one years old, and it hurt in his heart, because Xiao Li's father is also a policeman, and he is still Zhang Youcheng's predecessor, and the two families are very close, and he, the son of the Li family, naturally knows some things that outsiders don't know.

"Stinky boy, that's my wife's premature birth!" When he said this, he was obviously lacking in confidence, and his old face turned red, "You kid don't open any pot here." ”

Xiao Li Han closed his mouth with a smile.

Looking at Zhang Youcheng's expression, she knew that he was married to his son, because his expression was too obvious.

Zhang Youcheng naturally wouldn't tell them, he had countless blind dates when he was thirty years old, and he finally fell in love with a agreeable one, and he did something he shouldn't do after a few cups of yellow soup.

There is no shame in having sex before marriage, but it is definitely a very tasteless thing for an upright man to the belly of an adult girl before marriage.

She coughed lightly, hoping that this problem could be stopped, the police are a profession that serves the people, although the sentiment needs to be noble, but it is also the same as ordinary people on the issue of men and women, men love women, human nature, there is no difference.

"Don't turn around!" She shouted.

Xiao Li immediately stood up, "Master, you say." ”

He pointed to the whiteboard in the conference room, nodded approvingly, and dragged the whiteboard over.

"The first point is that Chu Li didn't have an affair after marriage, but before marriage."

Xiao Li wrote down the points she made on the whiteboard.

Everyone agrees on this, and it also clarifies the direction they want to investigate.

Jing Sa said: "Do you say that Jiang Zhan knew about this before he got married?" ”

Zhang Youcheng glanced at her, "I definitely don't know, I don't know how I will marry her, maybe marrying her is thinking that the child in my belly is his species." ”

This green hat is bright enough, and it was already worn when I was not married.

But she put forward a different opinion, "Among Jiang Zhan's relics, Jiang Yunheng's things were placed in a sealed box, not thrown away, and placed neatly, and there has been no mold after twenty years, I don't think he is a ruthless person." ”

Because when people are extremely disgusted with a person, they will never want to see anything related to that person.

It makes sense to tear it up, burn it, and throw it away, but Jiang Zhan still kept it for twenty years.

She added: "So there are two possibilities, the first is as Lao Zhang said, he didn't know that the child was someone else's, and he didn't know until after marriage, but for the sake of face, he didn't want outsiders to know, but he was angry and began to drink and be violent." Second, he knew from the beginning that he didn't care about raising other people's children, thinking that he could treat everyone equally, and tried to be a good father, but as the child grew up, none of his appearance, personality, and even interests were the same as him, so he changed from generosity to care, from forbearance to unbearable, and began to drink and violence. ”

"Why not get a divorce!?" Jing Sa was puzzled, "Since I can't bear it, let's get a divorce, what does alcoholism mean, why do you want domestic violence, beat your wife and children, is it still a man?" ”

She is most disgusted with this kind of man who bullies women and children in her life.

"This is nothing more than two possibilities, one is face, that is, the so-called family ugliness cannot be publicized, and the other is ......" Xuan Xuan paused, "If he knew from the beginning that Jiang Yunheng was not his child, but he was still willing to marry Chu Li, then I think he must love her very much." ”

Maybe Chu Li is very beautiful, but beauty alone is not enough for a man to cuckold and be willing to raise other people's children, at least he must have an emotional foundation, whether it is love or infatuation, there must always be a reason to make him impulsive.

"This is also in line with the prerequisites for his alcoholism, whether he knew it before marriage or after marriage, he loved and hated Chu Li, he was angry but unwilling to let go, in order to escape reality, he could only rely on alcohol to numb himself."

Jing Sa was puzzled: "If he really loves her, why doesn't he keep her things." "There is nothing about Chu Li in the relics, not even a photo.

"After Chu Li died, the body was taken away by his parents, and they also paid for the burial, since they were buried, what do you think will be written on the tombstone?"

Jing Sa took a look at the file, and there was a photo of the tombstone in it, "The tomb of the beloved daughter Chu Li!" ”

"That's right, I love my daughter, but she is already married, and she has not divorced her husband, no matter whether this marriage is happy or not, as long as there is no divorce, the person who erects the monument should be her husband, unless her husband dies before her."

Because once a woman gets married, the first in the immediate family is no longer her parents, but her spouse.

Even if the parents paid for the burial, the name of the person who erected the monument should also be Jiang Zhan, so it should be the 'tomb of his beloved wife Chu Li', not his beloved daughter.

"I think Chu Li's early death is a deep blow to her parents, Jiang Zhan is a drunkard all day long, domestic violence, and a scum in the eyes of everyone, but I can imagine what they will think, they will definitely think that their daughter's early death is all caused by this man, and they must be resentful and hateful to him, so after their daughter's death, they don't even want his name to appear on his daughter's tombstone."

Jing Sa understood, "That is to say, after Chu Li died, her parents may have taken everything about her and completely made a clear line with Jiang Zhan." ”

This also explains the reason why Jiang Zhan does not have Chu Li's relics,

"As for the child's things, it may be a kind of remembrance that he will stay!" Wanwan exhaled, and said slowly: "In fact, in my opinion, Jiang Zhan is a cowardly, dare not face reality, expect himself to be generous, but can not do it at all, usually people with this character, will pay special attention to the eyes of the outside world, very afraid of being ridiculed by others, the inner world is full of unwillingness, but he has no courage to change, so buying drunk has become the only thing he can do, when the alcohol is boiling in the blood, I am afraid it is also his most fearless time, fearless anger and unwillingness to explode, so it caused domestic violence." , but after he wakes up, he will desperately apologize and ask for forgiveness, but after apologizing, he will relapse into his old ways. ”

So, the cycle and the repetition eventually turned him into a complete scumbag.

Jing Sa said again, "Then why didn't Chu Li get a divorce?" "If the man is unwilling to divorce, the woman can also unilaterally propose it, just the article on domestic violence, even if Jiang Zhan is unwilling, the judge should have sentenced the divorce, but the marriage between the two has lasted for more than ten years.

"It cannot be ruled out that she is also a cowardly person, after all, many women who are domestic violence do not have the courage to divorce, or she also has a guilt factor, which is why I guess that Jiang Zhan may have known that the child was not his own from the beginning."

If Jiang Zhan is still willing to marry her after knowing about it, there will be at least a sense of gratitude in her heart.

Zhang Youcheng asked: "Is it possible that Chu Li was raped before marriage?" ”

Lin Mo replied: "Impossible, according to the archives of the Black Mountain Fire, when she knew that the child was dead, she was like crazy, and she beat and kicked the firefighters who sent the child's body down the mountain, and even fainted sadly, which is enough to show how important this child is to her, if it is a child because of rape, she will not be able to give birth to the child." ”

Xuan Ying also agrees with this point of view, "Jiang Yunheng's paintings are full of his love for his mother, which means that he has a good relationship with Chu Li, and she also really loves him, so the possibility of rape is quite low, and when it comes to paintings, I have a bold guess, I doubt that this child knows who his biological father is." ”

"Huh?" Everyone looked at her in amazement.

Jing Sa said: "You mean that the stickman in the painting who doesn't know what is hanging on his waist is his biological father?" ”

Wanwan nodded, "The hair of the person in the painting is extremely short, like a cactus, which does not match Jiang Zhan's hairstyle, Jiang Zhan has a very thick black hair, no matter how you look at it, it doesn't look like a cactus, and the childhood that Jiang Zhan gave him was not good, but he specially painted a family of three." ”

Cao Zhen frowned and said, "Could it be that Chu Li once took him to meet his biological father?" You said that painting represents the world that the child sees and thinks. ”

"I can't rule it out!"

"That's easy, if she really takes the child to see that man, we will have one more direction to find." Lin Mosi said, "We are divided into two ways, one way to check Chu Li's relationship before marriage, and all the way to find out who she has come into contact with after marriage. ”

Cao Zhen couldn't help but sigh: "It's a pity that her parents have passed away a few years ago, otherwise they would definitely have clues there." ”

Without the help of someone who knows the roots, even if you know the direction of searching, you are looking for a needle in a haystack.

Jing Sa is full of energy, "If it is difficult to check, it must be checked, this is our duty!" ”

"That's right, and I have a hunch that we will be able to solve the case this time." Zhang Youcheng said informatively, he is an old criminal policeman, even if his ability is insufficient, his intuition is still very sharp.

"Wanwan, which direction are you going to check, do you want to be in a group with me, our girlfriends will be together, and they will be invincible."

"No, you check yours, I have other things to do."

The crowd looked at her suspiciously.

"I care a lot about Jiang Yunheng's essay."

Jing Sa remembered that this was what Aunt Jiang said, "Is that the essay that won the award but was taken down?" ”

"Hmmm! I want to go to the elementary school where Jiang Yunheng studied before his death. ”

"I'll go with you!" Lin Moti said, "Jiang Yunheng and the three deceased were all students of the same elementary school, maybe there will really be new discoveries." ”

"No, I want to do this alone." Let him accompany him, that's okay, someone will definitely follow behind, and it will be lively at that time.

Lin Mo didn't feel her rejection, after all, what she was saying was becoming more and more obvious.

"Now I just want to focus on the case and don't want to be distracted by other things." She only has seven days, if the case is not solved in seven days, Kangxi will come back here, and then it will not be lively, it may be a scuffle.

And she really didn't want Kangxi to be charged with attacking the police.

"Good!"

Lin Mo didn't continue to be entangled, and agreed very happily, because he knew that he was in a hurry, and he might not even have a friend to do it.

Everyone saw that the time was not early, and after dinner in the cafeteria, they dispersed.

She returned to the lounge and looked at Chu Li's file again.

Not only beautiful, she is also versatile, she participated in many literary competitions in college, singing, piano, poetry recitation, but sports are not very good, which is also in line with her external feeling - weak.

Such a woman will definitely be chased by many people in college, but why did she choose Jiang Zhan?

Jiang Zhan's whole body can be interpreted with an ordinary, and her family is also poor, so she really can't find any advantages, if she is just looking for a father for the child in her belly, she should have other choices.

Or is it true as she guessed, at that time, only Jiang Zhan was willing to accept her and the child in her belly, so she married him hastily.

She turned another page, and the file said that Chu Li had been a tutor for many high school students, with an excellent reputation, and her expertise was chemistry and physics, and she also expected to become a chemistry teacher, in the process of tutoring, she always had a way to make some children who didn't like chemistry and physics fall in love with this subject in their hearts, so as to improve their grades, for which she also shared her experience in college, and the professor at that time also praised her, very famous teacher.

Famous teachers?

If she hadn't encountered these hardships, she would still be alive by now, and maybe she might have really become a teacher.

It's a pity that life is so impermanent.

She closed the file and twisted the bridge of her nose, she had read this file several times, and she didn't see any doubts for the time being, it seemed that she still had to start with Jiang Yunheng, she glanced at the sticky note paper at hand, on it was the name and address of a primary school, the handwriting was full of strength, and the pen and ink were flying in one go, it was Lin Mo's words, he left the note and left, but it was also free.

She put the note in her pocket.

------Off topic------

It's late today, hehe, I'm Kavin again, I'm hehe, hehe, hehe......