On May 23, 2016, on a low dirt slope in Ningling County, Shangqiu, Henan, a group of police officers stood densely.
In the center stands a very large parasol, and below it is a forensic doctor in protective clothing, digging a white bone in the soil.
People in nearby villages had not yet seen such a big battle, and they all reached out outside the cordon to inquire.
A big aunt asked the police next to the police cordon: "What happened?" Isn't that place a mound? What's the point of digging it? ”
The police were questioned several times by the villagers, and couldn't help but say: "This is looking for the murderer!" ”
"Huh!" The eldest aunt inhaled a cool breath, "How to find the murderer in the grave?" ”
The policeman explained: "Where do you want to go, isn't this a development of DNA technology?" The forensic doctor came to see if the person in this grave was the murderer of the murder 25 years ago! ”
Is the man in this mound the perpetrator of a murder 25 years ago? In the past 25 years, how did the police follow the vine to find the melon, and finally lock in the real murderer?
"Mother and son missing on the way to the market"
Wei Shumin is a Chinese teacher at Hewan Village Primary School in Wuliyuan Township, Xiuwu County, Jiaozuo City, Henan Province.
She and her husband Cao Dashan (pseudonym) have a son and a daughter, and although they live in a small township, they live a very happy life.
On May 23, 1991, Wei Shumin's four-year-old son kept coughing since he woke up in the morning, as if he was infected with wind chills.
Wei Shumin's class at school that day was in the afternoon, and she proposed to her husband that she would take her son to the county town to see a doctor after lunch.
Her 8-year-old daughter, Cao Bingbing (not her real name), has also been crying and clamoring to follow.
However, the family's bicycle can only carry one child, the younger brother has to go to the doctor, and the sister cannot accompany him.
In addition, her husband Cao Dashan still had to do farm work at home, and he couldn't take his daughter to the county town with him.
So Wei Shumin comforted Cao Bingbing, saying that she would buy her daughter a beautiful new set of clothes when the county town rushed to the market.
With the promise, Cao Bingbing finally stopped crying.
At nearly 11 o'clock in the afternoon, Wei Shumin and her son ate breakfast and lunch, and then took the child out.
There were many people rushing to the market in the county town, and Wei Shumin had to take her son to see a doctor and buy miscellaneous things, and she was very flustered when she went out.
Before leaving, Wei Shumin also told the old man at home: "I will come back before 3 pm, and there will be classes at 3:30 pm." ”
Hewan Village is only six or seven kilometers away from the county seat of Xiuwu County, not far.
Wei Shumin has lived in this neighborhood since she was a child, and this road has been walked thousands of times.
The family did not pay attention to the fact that Wei Shumin went out, and no one expected that this separation was actually a farewell.
It was three o'clock in the afternoon, and Wei Shumin had not yet returned. The family didn't pay attention to it at first.
They thought they were buying too many things, and Wei Shumin's time to go home was delayed for a while.
But as the sky slowly darkened, the time had reached the time for the families to eat dinner, but Wei Shumin had not yet returned.
Her husband, Cao Dashan, sensed something was wrong, and he quickly called his brother Cao Zhengchang (pseudonym) to go out with him to find Wei Shumin and his son.
At that time, mobile phones were not yet a necessity for everyone. The only way to find someone is to shout.
Cao Dashan and his brother rode their bicycles along the road from Hewan Village to the market.
It was too late, even the people who had rushed to the market had dispersed, and Cao Dashan only saw a pile of garbage left behind in the market.
Cao Dashan went to the shop on the street to inquire, but there were so many people in the market, and who would remember Wei Shumin's figure alone.
Unable to find anyone at the bazaar, the brothers returned to RiverBend Village.
It was completely dark, and five fingers were out of sight near the dark village.
Cao Dashan looked for a few good friends in the same village, took a flashlight and searched around the village.
At this time, the wheat seedlings in the field had grown very tall, and Cao Dashan looked at the silent wheat seedling field, and a bad premonition arose in his heart.
Coincidentally, the movement of Cao Dashan's family searching for people was too great, and people from the same village came to help.
A villager mentioned that when he went to the market this afternoon, he once saw a bicycle lying on the ground next to the machine well room in motai camp village.
Hearing this news, Cao Dashan and his party rushed to the vicinity of the machine well room in the population.
Cao Dashan used a flashlight to shine into the well, and on the surface of the dark water, there were two corpses floating faintly, and the surface was the body of a boy!
Although the boy's face was facing down, Cao Dashan recognized at a glance with his clothes that this was his missing son!
"Autopsy verdict is rape"
When Cao Dashan saw the body, he slumped down next to the well and then burst into tears.
He couldn't believe that his wife and children, who were still laughing and talking to him in the morning, had become cold corpses when they said goodbye in the evening.
It was also a resident of the same village who helped Cao Dashan report to the police.
Not long after, the police on duty that night immediately arrived at the scene.
Because of the bad case, the Public Security Bureau set up a special case team, and the leader of the special case team was Fan Xinhe, deputy head of the criminal investigation brigade.
After arriving at the scene, the technicians of the special case team reached down the well and fished out the two bodies under the well.
The first to be fished was Cao Dashan's four-year-old young son.
The youngest son's body had been soaked white in the water, his fists were clenched, his eyes were closed, and there were obvious scars on the back of his head.
After the youngest son's body was fished up, Wei Shumin's body was indeed seen underwater.
Wei Shumin was naked, her head was swollen, and there were several wounds on her body, especially the corners of her mouth.
On preliminary investigation, Wei Shumin's mother and son were killed by him.
Fan Xinhe considered that the hasty autopsy might destroy the evidence remaining on the body, so he applied to the superior for a forensic doctor to come to the scene for an autopsy.
In addition, although it was only May, the weather at night was still very hot.
If the autopsy is not completed as soon as possible, the body may quickly decay.
The superiors also attached great importance to this case and immediately mobilized all the forensic doctors in the vicinity to the scene.
The forensic doctors then performed an autopsy on the two bodies in the darkness.
After forensic identification, Wei Shumin's mother and son had been dead for more than 12 hours.
The police speculated that the time of the mother and son's murder should be around 12 noon on the 23rd.
The forensic examiner examined the lungs of the two bodies and found no water remaining in the lungs.
Because it was speculated that Wei Shumin's mother and son should have been thrown into the water after death.
The forensic doctor also extracted semen spots from Wei Shumin's body, which, combined with the condition in which the body was found, could be judged as rape and murder.
During the inspection of the scene, the police found that the wheat near the machine well room had signs of being dumped to one side, which was obviously dragged.
Later, the police also found Wei Shumin's white shoes in a nearby wheat field.
Through the evidence at the scene, the police restored the process at the time of the crime.
After 12:00 noon on the 23rd, the murderer dragged Wei Shumin's mother and son from the path to the machine well room, and then raped them in the machine well room.
After that, the murderer killed the mother and son and threw the body in the well.
"The murderer has a criminal record"
However, during the initial investigation, the police could not find Wei Shumin's clothes and the bicycle she was riding.
At that time, bicycles could still be worth a lot of money.
So the police speculated that the bicycle was either left somewhere by the killer or ridden away by the murderer.
To this end, the police also went to the nearby second-hand market to investigate, but did not find Wei Shumin's bicycle.
At the door of the machine well room where the crime occurred, the police found traces of the front of the car falling to the ground.
The ruts that the bike then pulled away from were also faintly visible.
The police looked for the direction in which the killer fled, but after following the rut for about 100 meters, the prints suddenly disappeared.
The police speculated that the murderer detected that the car print would leave evidence, so it was specially dealt with.
On the day after the crime, in the pond not far from the machine well house, the owner of the pond suddenly salvaged a bicycle.
The police took Wei Shumin's family to identify her, and later determined that this was the bicycle that Wei Shumin rode before she died.
After the bicycle was found in the pond, the police carried out a tight salvage of the pond.
However, no traces of Wei Shumin's clothes could be found.
Police speculated that the killer may have left the scene with Wei Shumin's clothes.
In addition, the police could not find a trace of blood at the scene of the crime.
Not only around the well where the body was buried, but also in the room and on the way to drag the deceased, there was no trace of blood.
After this, the police speculated that the murderer must have dealt with the crime scene after committing the crime.
The police made a profile of the murderer, and preliminarily deduced that the murderer should be a man of about thirty or forty years old.
He is strong and familiar with the environment near the scene of the crime.
The murderer did not panic after the murder, but also knew how to cover up the traces of the crime, the murderer's modus operandi was skilled, and he should have had a criminal record.
According to the conclusions reached, the police investigated the people nearby, but they still had no clue.
For the sake of his wife and children, Cao Dashan couldn't even take care of the family's farm work.
He went to the public security bureau every day to look for progress, and his black hair was originally white, and he suddenly looked like he was ten years old.
"The Search for the Murderer Is Fruitless: The Murderer Is Like Evaporation in the Human World"
Just as the case was at an impasse, a villager brought it up that on the day of the crime, he had seen a suspicious bald man nearby.
Based on this clue raised by the villagers, the police quickly locked the suspect on the Xinhe Labor Camp near the village.
There were a total of 48 prisoners in this labor camp, of which 16 came out to work on the same day.
The police screened 16 people and then locked them on Liang Gangling, a labor prisoner.
According to the teammates of the labor camp, everyone went to dinner at noon that day, but Liang Gangling said that he was unwell and did not join everyone.
However, Liang Gangling said that he was resting in the dormitory at the time and had not been out.
Because there were no witnesses, the police took him to the Public Security Bureau.
At the Public Security Bureau, the police found blood on Liang Gangling's prison uniform.
Dna technology at that time was not yet perfect, and could only be monitored by blood type.
Upon examination, the blood stains on Liang Gangling's prison uniform were the same as Wei Shumin's blood type.
Just when the police thought they had caught the killer, the Forensics Bureau brought a report.
The report showed that the sperm spots left in Wei Shumin's body were type O blood, while Liang Gangling was type A blood.
As a result, Liang Gangling's suspicions were also ruled out.
After that, the police successively lined up two or three thousand people in nearby villages, but they could not find the real culprit.
The murderer of Wei Shumin's mother and son was like the evaporation of the human world.
Cao Dashan's family, from the very beginning, hoped to bring the murderer to justice, and later gradually confessed their fate.
More than 20 years later, Wei Shumin's eldest daughter Cao Bingbing has married and had children, and the Cao family has buried the pain of losing their family in their hearts.
But the police and forensic doctors involved in the case did not want the case to be unsolved.
The mother-son sinking case has always been a barb in the heart of Fan Xinhe, the leader of the special case team.
The original forensic doctor Wang Weihua completely preserved the murderer's fine spots.
Every summer, Wang Weihua would take out this fine spot to dry and ventilate.
Both Wang Weihua and Fan Xinhe had a thought in their hearts: This case will always have a day when it will come to light.
"The Truth Comes Out 25 Years Later"
In 2010, Jiaozuo City, Henan Province, established a DNA database, and Fan Xinhe and Wang Weihua immediately took the fine spots to do DNA comparison.
However, at that time, the data in the warehouse was still too small to find the murderer.
After that, every time the DNA database was improved, the task force would compare the DNA, but it was never matched.
Later, DNA technology became more and more perfect, and the special case team also extracted all the DNA of prisoners in the labor camp who may have been involved in the case that year.
After too long, some of the prisoners have died, and the task force has searched for their relatives.
However, it took more than a year before and after, and the real culprit was still not found.
It wasn't until May 4, 2016, that the DNA comparison results were finally discovered.
Wei Shumin's killer was identified as Shi Jian'an (pseudonym), now 75 years old in Ningling County, Shangqiu, Henan.
However, after further investigation, it was found that Shi Jian'an was not the real murderer.
In addition, Shi Jian'an was 50 years old at the time of the crime, which was inconsistent with the age speculated by the police.
All of Shi Jian's grandchildren were born after 1991, so the police locked the suspicion on Shi Jian's three sons.
But none of Shi Jian'an's three sons were real murderers.
Just when the stalemate was reached again, the cadres in Shi Jian'an's village suddenly mentioned that Shi Jian'an also had a son who had died for more than ten years.
The son, named Shi Jia Zhou, had served a sentence at Xinhe Farm, but at the time of the crime, he had already completed his sentence and was released.
After the incident, Shi Jiazhou escaped from Xiuwu County, and the police did not detect him.
The police wanted to extract Shi Jia Zhou's DNA, but ten years later, everything related to Shi Jia Zhou was lost.
So the police proposed to open the coffin for an autopsy.
But Chinese has been pursuing the soil since ancient times, how can Shi Jian'an agree.
Shi Jian'an told the police that he spent 100,000 yuan to resettle his son, and if he switched, he had to compensate him for 100,000 yuan.
However, Shi Jian'an's fellow villagers said that Shi Jiazhou had committed many evil deeds before his death, and his reputation was very bad, and his family could not lift their heads because of him.
After his death from hepatitis, his family hastily buried him, not even using a coffin, and was buried with only a straw mat.
After Shi Jia zhou was buried, the Shi family did not have him as a person and never went to see him.
After learning this news, the police finally decided to open the coffin for autopsy.
May 23, 2016, is the 25th anniversary of the murder of Wei Shumin's mother and son.
The police dug up Shi Jiazhou's earthen grave, and the extracted DNA showed that Shi Jiazhou's DNA match with the fine spot was 99.99999%.
The mother-son sinking case 25 years ago can finally be revealed.
After finding the murderer, Cao Dashan and Cao Bingbing's father and daughter came to the grave of Wei Shumin's mother and son.
They offered white chrysanthemums and burst into tears at the grave.
After 25 years, Wei Shumin and her son's spirit in heaven were finally able to rest in peace.
——END——
Text | chafing dish