According to Wang Yishan's description, the reason for the conflict between the two was because of previous quarrels over trivial matters.
The wife beat her husband first. In desperation, the husband took out a kitchen knife from the kitchen and hacked his wife to death.
The room type at the crime scene was 2 bedrooms and 1 living room, and it faced the bathroom when entering.
On the left is the living room, which is equipped with a set of leather sofas, a marble coffee table and a marble TV cabinet.
When Lu Chuan entered, he saw blood stains on the sofa, coffee table, TV cabinet, and some ornaments staggered on the ground.
On the right is the dining room, connected to the kitchen.
According to Wang Yishan, the two had an argument in the living room. The husband went to the kitchen to get a kitchen knife and came back and stabbed the person. So the first place where the stabbing occurred should have been in the living room.
The victim then fled to the bedroom while fighting with her husband.
In the end, the wife was hacked to death by her husband on the bed in the master bedroom.
There is a logical problem here.
When the victim was being hacked to death by her husband, why did he flee to the bedroom instead of the entrance door?
The deceased's family lived in a high-rise residential building, and the incident occurred on the eleventh floor.
At such a high place, the victim fled to the bedroom, with no chance of escaping from her husband's murder.
The most likely place to escape would be the entry door.
In this way, whether it is calling for help or escaping, it is possible.
Of course, the victim may also want to escape into the bedroom and then lock the bedroom door to achieve the purpose of escape.
However, this conflicts with the blood stains found on the entrance door.
Judging from the blood stains, the position of the victim and the murderer at that time should be that the murderer was close to the entrance door, or even standing outside the door, swinging the knife from left to right, hitting the victim.
Otherwise, it would be impossible for the fluttering blood stains to invade the cracks in the door and the edges of the wall.
So, when the deceased's husband committed the murder, he took a kitchen knife from the kitchen, walked out of the entrance door, and then stabbed someone?
Liu Guodong saw some confusion on Lu Chuan's expression: "What problem did you find?"
Lu Chuan nodded: "Master, it's this blood stain."
Lu Chuan told Liu Guodong his findings and expressed his doubts.
"Captain Wang Yishan's account of the incident was obtained through the interrogation of the murderer."
"The other party took a kitchen knife out of the kitchen, and then hacked and killed his wife in the living room. The victim resisted and fled into the bedroom, and was eventually killed on the bed in the master bedroom."
"But," Lu Chuan knelt down and pointed to the flutter-shaped blood stain on the gap between the entrance door and the wall: "How did the blood stain here appear?"
"This does not seem to be consistent with the process described by the murderer."
Although Liu Guodong did not have too deep research on blood stain analysis, his logical thinking ability in solving crimes was only better than Lu Chuan, not worse than him.
What Lu Chuan said means that the process of the crime that Wang Yishan just said is inconsistent with the actual blood stain morphological analysis process at the scene.
Did Wang Yishan lie?
Impossible. The information Wang Yishan got was obtained from interrogating the murderer. There was no need or possibility to lie to himself.
Therefore, this shows that there is a problem with the initial information Wang Yishan obtained.
In other words, the murderer did not tell the truth during the interrogation.
This is strange. Since the murderer has surrendered, why doesn't he tell the truth?
He admitted to the murder but lied about the details of the murder?
"I'll give Wang Yishan a call."
Half an hour later, Wang Yishan returned to the crime scene again.
"Lao Liu, are you sure?"
When Wang Yishan received Liu Guodong's call just now, he rushed back to the Criminal Investigation Brigade from the scene.
As a result, before entering the door, Liu Guodong called him back again.
"There's something wrong with the blood stains on the entrance door. You should take a look."
Although Wang Yishan is a frontline criminal police officer and is not very familiar with technology, his basic judgment is still no problem.
Lu Chuan explained in detail again
Once again, Wang Yishan naturally knew what was going on.
"Did the murderer identify the scene?"
Wang Yishan answered Liu Guodong with a livid face: "Not yet."
"After the murderer surrendered last night, an on-site investigation was carried out, and the murderer's interrogation started directly."
Liu Guodong nodded. This is also a routine operation. On-site identification will not be carried out until everything has settled.
But now there is a problem, and the process needs to be changed.
"Judging from the blood stains at the scene, the position between the murderer and the victim, especially the location where the conflict occurred, was different from what the murderer described."
"Of course, the murderer was in a passion for killing and may have forgotten some details. In this way, identify the scene and ask the murderer to describe the circumstances of the crime again at the scene, and we can compare."
"Okay, I'll make arrangements right away."
Wang Yishan knew the seriousness of the matter.
If the murderer missed some information during the interrogation because he was nervous, or even mistold some of the circumstances of the crime, this would be a small matter.
But what if the other party did it on purpose?
This is a big problem.
Wang Yishan arranged for someone to bring the murderer over, and Lu Chuan was not idle either.
Obviously, Lu Chuan could no longer use the spot survey done by Lao Xu last night.
He needs to carefully investigate the scene, especially the morphological analysis of the blood stains.
This will help verify the identification of the murderer.
An hour later, the murderer, handcuffed and shackled, returned to his former home.
"Did Wang Hui kill his wife?"
"No, just last night, I heard people banging things in their house, and his wife shouting for help. I thought they were fighting again, but I didn't expect they actually killed someone!"
"Fortunately you didn't go. If I hadn't killed the red-eyed Wang Hui, I might have given you two swords..."
Wang Hui, the suspect in his wife's murder case, returned to his former home under the guidance of his neighbors.
The community where Wang Hui lives is a fund-raising house built by his employer 20 years ago. Most of the people living here are colleagues from his employer.
So the neighbors are familiar with each other.
Wang Hui and his wife are also well-known in the workplace.
Wang Hui's daughter-in-law is known to be very powerful and has a strong personality. She often quarrels and even fights with Wang Hui.
Wang Hui's character is relatively soft, and when his wife gets angry, most of the time he tolerates it and passes it by.
But there are many times when they can't bear it anymore, so the couple basically fights two or three times a week and once or twice a month.
The neighbors in the building would try to persuade me at first, but then they got used to it.
Wang Hui had not yet changed into his prison uniform at this moment, and his clothes were even stained with blood.
In fact, he had already changed his clothes. The original clothes were soaked with blood, but this clothes only had some blood stains.
At the entrance door, in order to prevent the scene from being destroyed, Liu Guodong did not let Wang Hui enter the room. Instead, he stood at the door and told the story of his murder.
"I ran from the living room to the kitchen, took a kitchen knife and chopped her."
"Tell me clearly, where did you run from, where was the first slash made, and where did the victim run after being slashed."
