Chapter 5, the master leads the way in

Thus, I casually picked up an iron pipe next to me and struck him on the head with it, knocking him down to the ground!" The man with the surname Feng said, pointing to a long iron rod on the living room floor, which was covered in blood and hair, "I was acting in self-defense!"

Alright. So after he fell, did you continue to hit him with the iron pipe

I can't remember clearly... At that time, my mind was very chaotic, and I don't know if I hit once or several times.

To be precise, it is the agile and accurate way of thinking of Zhong Renzhi that attracted me, allowing me to witness the charm of the forensic profession. In him, I saw the shadow of my grandfather, yet what he spoke of was different from my grandfather.

At this time, the clock was invited to the project team to participate in the investigation of the case. After analyzing the case, he decided to personally participate in the interrogation of the man with the surname Feng

If the murderer stands behind the victim, it is impossible to stab from the front to the back by crossing the victim's arms, as this does not align with the psychological state of the perpetrator

To deepen everyone's impression, he recounted a personal experience and a case he had solved

"Are you sure that the iron pipe used for self-defense is the one at the scene?" Zhong Renzhi continued to ask

Did it mean to confront you face to face?

"Because the wound is on the right side of the victim, the direction is from front to back. For the assailant facing him, it must have been inflicted by the left hand," I said

The students below lowered their heads and discussed for a while, and no one dared to stand up and speak

Of course, that's certain; I only have that one iron pipe at home

Such wounds can only be caused by a top-down impact. He often uses this simplest physical knowledge to resolve seemingly complex forensic issues, providing a sense of clarity.

The door of the man with the surname Feng is closed, and no one dares to go to m.hetushu.com to mediate. Once everything returns to calm, the man with the surname Zhang collapses in the living room

It turns out that a matter can be analyzed from here! Every time we finish listening to his narration, we cannot help but express such a sentiment

When Zhong Renzhi finishes narrating a case, he often adds a phrase: "Everything will pass!" This statement, upon careful listening, seems unrelated to the preceding lecture, like a smooth and flat road suddenly branching off without warning. However, at that moment, everyone's thoughts had already accelerated like a car with the pedal to the metal, racing along with his narrative, so no one noticed the emergence of this situation

The situation is as follows: On the night before, a murder occurred in the city. A man with the surname Zhang discovered that his wife was having an affair, and the person involved was actually a friend of his, a man with the surname Feng! Enraged, the man with the surname Zhang rushed to his friend's house to confront the man with the surname Feng. At that time, the man with the surname Feng was alone in his home, and a heated argument ensued between the two. Neighbors nearby heard the furious shouts of the man with the surname Zhang: "I will kill you!" Following that, a commotion of fighting was heard.

I am one of them

The perpetrator is left-handed. I stood up and replied, The height is about the same as that of the victim

Of course! The man with the surname Feng laughed, "Otherwise, how could I have been struck?"

After two minutes of eye contact, the man with the surname Feng lowered his head in some trepidation, fiddling with the handcuffs on his wrists

The incident alarmed the director, who personally went to the scene to explain the situation to the family, while also ordering the criminal investigation department to intensify efforts in solving the case

With a loud bang, Zhong Renzhi slammed his hand on the table, standing up and startling everyone present

If a person suffers a head injury and claims it was caused by bumping into a book while walking, would you believe them? Why? This is the kind of question he often poses, with a premise so simple that it leaves one at a loss for how to respond

"Right at the position where I defended myself"

Of course not! I'm not trying to kill him, so why would I hit him?!" The man with the surname Feng quickly denied.

You said you only hit the man with the surname Zhang once with an iron pipe

During a class, Zhong Renzhi quickly drew a human figure on the blackboard and marked a wound on the right side of the body, indicating it was a wound from front to back. He then asked, "Everyone, take a look at this wound and analyze what characteristics the perpetrator might have"

If what my grandfather told me was about what, then what Zhong Renzhi speaks of is about why. Every matter, when discussed, seems intricately complex and appears to lack any clear direction, but with just a bit of analysis from Zhong Renzhi, everything becomes clear. Even if it is as tangled as threads, he can always find the quickest way to untangle it, and it is always unexpected.

This sentence seems to be directed at himself, as well as at others

All evidence seems to corroborate the testimony of the man with the surname Feng. However, the deceased's family does not share this view; they insist that the man with the surname Feng seduced the wife of the man with the surname Zhang and murdered him. To exert pressure, the family surrounded the public security bureau with people and declared that if the investigation was not conducted thoroughly, they would bring the corpse to the public security bureau.

"Did you say that the man with the surname Zhang first injured you with a kitchen knife?" asked Zhong Renzhi to the man with the surname Feng

"... ... I haven't measured it." The man with the surname Feng hesitated as he replied

1.75 meters

"Why can't the murderer attack from behind using their right hand?" asked Zhong Renzhi

There are blood fingerprints of a man with the surname Feng on the kitchen knife

Zhong Renzhi's eyes lit up: "Why?"

In certain respects, it was Zhong Renzhi's course that sparked my strong interest in the imaginative thinking of forensic science, which led me to choose forensic medicine as my elective major

"Yes," replied the man with the surname Feng

From the height of the wound, it is approximately at the same level as the victim's palm; in terms of the trajectory of the wound, it is relatively straight, consistent with the characteristics of a stab wound at the same height. Therefore, the height of the assailant is likely similar to that of the victim.

One day, a significant event occurred at the place where Zhong Renzhi was employed. Dozens of people surrounded the entrance of the police station, shouting for justice! Some even brought a banner, on which was written in red ink, "A life for a life, blood debts must be repaid with blood"

The man with the surname Feng recounted: After the man with the surname Zhang entered the house, he grabbed him and began to beat him, accusing him of seducing his wife and threatening to kill him. He explained to the man with the surname Zhang that this was not the case. However, the man with the surname Zhang did not listen and ran to the kitchen of the Feng household to fetch a kitchen knife, stabbing the man with the surname Feng twice.

When the police arrived at the scene, they found that a man with the surname Zhang had suffered a severe blow to the head and was already deceased, while he was still holding a kitchen knife in his hand

The man with the surname Feng looked at him in confusion

Such simple hypothetical conditions are rarely seen in questions from other courses, but in Zhong Renzhi's class, everyone has become accustomed to them. Although it is difficult to draw conclusions, everyone remains enthusiastic, as each person looks forward to his unexpected answers

Everyone smiled from the heart

Zhong Renzhi put the measuring tape back into his pocket and then sat there silently, watching the man with the surname Feng.

Were you also facing him when you hit him yourself

If what the man with the surname Feng said is true, then he is acting in legitimate self-defense and is not required to bear legal responsibility. However, if he lied, then it constitutes murder. Yet, the man with the surname Zhang indeed has a knife in his hand, and there are no other eyewitnesses at the scene. The neighbors around heard the threatening words from the man with the surname Zhang: "I will kill you"

Master Zhong Renzhi is from Beijiang City. Before I came to Beijiang, he was a forensic expert here and also a visiting professor in the forensic department of the medical school, where he taught courses on the practical application of forensic theory. Due to his rich practical experience, his lectures are vivid, often citing cases, adept at drawing inferences while remaining grounded in reality. His viewpoints are sharp yet intricately nuanced, akin to a scalpel gliding through human muscle—both incisive and gentle—allowing students to experience an unprecedented sense of reality and shock during his classes. As a result, when his classes are held, students from other departments also enjoy attending as auditors.

During the interrogation, Zhong Renzhi placed the photographs taken at the scene on the table and lowered his head to review them. From time to time, he casually looked up to ask the man with the surname Feng questions

The police officer beside him was equally perplexed

The man with the surname Feng raised his head in fright, his eyes wide open as he looked at him in confusion

Where was that iron pipe originally located

A man with the surname Feng called the police

Of course! Because he stabbed me twice face to face at that time, I was just defending myself!

While feeling immense pressure, the investigation by the Public Security Bureau has come to a standstill: there is no evidence to prove that the man with the surname Feng committed intentional murder

"Cut here!" The man with the surname Feng pointed to his left shoulder. At that location, the police observed two knife wounds, which had already penetrated to the muscle layer

But I heard it!

Zhong Renzhi often begins his lectures by posing questions, creating a space for reflection, and then unexpectedly revealing the answers.

"You are lying!" Zhong Renzhi shouted at the man with the surname Feng

I want to tell you that this person must have lied! After everyone has pondered for a while, he often presents his viewpoint at the right moment, leaving a deep impression: "When two objects collide, the points of contact are the protruding parts. The human body is no exception; therefore, the injuries sustained from a collision must inevitably be to the knees, elbows, nose, forehead, and similar areas, and certainly not to the top of the head—unless the injured person lowers their head, waiting for someone to collide with them!"

"Go on!" Zhong Renzhi nodded with a smile

Very well, the analysis was quite thorough! Zhong Renzhi praised me and then said to everyone, "The reason I often raise such questions about wounds is that in daily forensic work, it is often necessary to analyze injuries. Some pertain to the wounds on corpses in homicide cases, while others relate to injuries in assault cases, making such analyses very necessary. Some matters cannot be resolved solely through medical knowledge. As seen from the analysis by this student, 'We can make it,' it is essential to apply knowledge of human movement habits, physics, and other disciplines for comprehensive deduction and reasoning.

Of course, the man with the surname Feng replied after a moment of thought. He was unsure of the intent behind Zhong Renzhi's question, appearing somewhat nervous

The man with the surname Feng also looked at him, appearing quite uneasy

Everyone's learning and examinations from childhood to adulthood often come with teachers having set sufficient preconditions. However, in ordinary homicide cases, we should not expect the perpetrator to leave behind many clues; often, we are left with only simple information. This requires us to not only rely on forensic knowledge but also to analyze and deduce the circumstances from multiple perspectives, "Zhong Renzhi reminded.

What about the arm length

"Then it must have come from the left side! Otherwise, it wouldn't have injured your left shoulder, right?" Zhong Renzhi pointed to the wound on his left shoulder as he spoke

How tall are you

I will measure it for you!" Zhong Renzhi took out a tape measure and measured the arm of the man with the surname Feng, saying, "70 centimeters"