According to Wang Yishan's description, the reason for the conflict between the two was an argument over trivial matters in the past.

The wife was the first to strike her husband, and in a moment of desperation, the husband took a kitchen knife and hacked his wife to death.

The crime scene was a 2-bedroom, 1-living room apartment, with the bathroom directly facing the entrance.

On the left was the living room, furnished with a set of leather sofas, a marble coffee table, and a marble TV stand.

When Lu Chuan entered the room, he immediately noticed bloodstains on the sofas, coffee table, and TV stand, along with some fallen ornaments scattered on the floor.

On the right was the dining room, connected to the kitchen.

According to Wang Yishan, the couple had an argument in the living room, and the husband went to the kitchen to get a knife to commit the attack, so the first place of the attack should have occurred in the living room.

The victim then struggled with her husband while trying to flee to the bedroom.

Ultimately, the wife was hacked to death on the master bedroom bed.

This presents a logical problem.

During the process of being attacked by her husband, why did the victim flee to the bedroom instead of the entrance?

The deceased's residence was in a high-rise building, with the crime occurring on the eleventh floor.

At such a height, fleeing to the bedroom would not allow the victim any chance of escaping her husband's attack.

The place most likely to permit an escape would be the entrance.

That way, whether for calling for help or escaping, there might be a chance.

Of course, the victim might also have intended to flee into the bedroom to lock the door and thus escape.

However, this contradicts the bloodstains found on the entrance door.

From the bloodstains, it appears that at the time, the assailant was near the entrance, possibly even outside the door, swinging the knife from left to right, striking the victim.

Otherwise, the splatter stains could not have penetrated the crack of the door and the edge of the wall.

So, did the victim's husband take a kitchen knife, step out the entrance, and then attack?

Liu Guodong noticed the puzzled expression on Lu Chuan's face: "What problem did you discover?"

Lu Chuan nodded: "Master, it's these bloodstains."

Lu Chuan explained his findings to Liu Guodong and expressed his doubts.

"The account given by Captain Wang Yishan was based on the interrogation of the assailant."

"The attacker took a kitchen knife and hacked at his wife in the living room, while the victim resisted and fled to the bedroom, where she was ultimately killed on the master bed."

"However," Lu Chuan squatted down, pointing to the splatter-like bloodstains in the door and wall crevice, "how did these bloodstains appear?"

"This seems inconsistent with the account given by the assailant."

Although Liu Guodong didn't have in-depth knowledge of bloodstain analysis, his logical reasoning ability for solving cases was not inferior to Lu Chuan's.

What Lu Chuan pointed out meant that the account just given by Wang Yishan regarding the incident was inconsistent with the actual on-site bloodstain pattern analysis.

Did Wang Yishan lie?

Impossible. The information Wang Yishan received was based on the interrogation of the assailant; there was no need and no possibility for him to lie to himself.

This indicates the initial information obtained by Wang Yishan was flawed.

Meaning, the assailant did not tell the truth during the interrogation.

This is strange. Why didn't the assailant tell the truth, given that he had already turned himself in?

He admitted to the murder but lied about the details?

"I'll give Wang Yishan a call."

Half an hour later, Wang Yishan returned to the crime scene.

"Old Liu, are you sure?"

Wang Yishan had just returned to the criminal investigation team from the crime scene when he received a call from Liu Guodong, summoning him back.

"There's an issue with the bloodstains on the entrance door. Take a look."

Although Wang Yishan was a frontline detective and not very familiar with technical details, his basic judgment was sound.

After Lu Chuan explained in detail again, Wang Yishan naturally understood what was going on.

"Did the assailant identify the crime scene?"

With a stern face, Wang Yishan responded to Liu Guodong, "Not yet."

"After the assailant surrendered last night, we conducted a crime scene investigation, and the interrogation of the assailant began immediately."

Liu Guodong nodded. This was standard procedure; the scene would only be identified once everything else was settled.

But now that a problem has arisen, the process must be adjusted.

"From the bloodstains on the scene, the positions of the assailant and the victim, especially where the conflict erupted, do not match the assailant's description."

"Of course, due to the passion of the moment, the assailant might have forgotten some details. Let's have him identify the scene, and have him recount the incident; we will compare notes."

"Alright, I'll arrange that."

Wang Yishan understood the severity of the situation.

If the assailant missed some details or recalled events incorrectly due to nervousness during interrogation, this would be a minor issue.

But what if it was intentional?

This would pose a significant problem.

Wang Yishan arranged for the assailant to be brought over. Lu Chuan didn't remain idle either.

Clearly, the crime scene investigation Old Xu conducted the night before was unusable for Lu Chuan.

He needed to carefully examine the scene, particularly analyzing bloodstain patterns.

This would facilitate verification during the scene identification by the assailant.

An hour later, the handcuffed and shackled assailant returned to what had once been his home.

"Did Wang Hui kill his wife?"

"Yes, it happened just last night. I heard things crashing and his wife screaming for help. I thought they were fighting again, but never expected a murder!"

"Good thing you didn't go; what if the enraged Wang Hui had cut you too…"

Wang Hui, the suspect in the wife-murder case, returned to his former home amid the whispers of neighbors.

The neighborhood where Wang Hui lived was built with funds pooled by his workplace twenty years ago, so most residents were coworkers.

Therefore, neighbors were quite familiar with each other.

And Wang Hui and his wife were well-known in their workplace.

Wang Hui's wife had a notorious reputation for being fierce and dominant, frequently arguing and even fighting with Wang Hui.

Wang Hui had a softer personality, mostly tolerating his wife's tantrums until they passed.

But there were times when he couldn't endure it, resulting in two to three arguments a week and one or two physical fights a month between the couple.

Neighbors initially attempted to mediate but eventually became accustomed to the disturbances.

Wang Hui was yet to change into prison clothes, and his own clothes were still smeared with blood.

In truth, he had changed his clothes; originally, his clothes were soaked in blood, but this set only had a few bloodstains.

At the entrance, to prevent contamination of the scene, Liu Guodong didn't allow Wang Hui inside the room but had him stand at the door to recount the murder.

"I ran from the living room to the kitchen, took a knife, and hacked at her."

"Be specific: where did you run, from what position was the first strike, and where did the victim flee after being struck?"

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