In Jiang An's view, consciousness determines behavior, and behavior leaves traces.

Crime scene simulation is the deduction of human behavior from scene traces, thus deducing the criminal psychology in reverse.

Gradually, Jiang An slightly squinted his eyes.

All the material evidence traces at the scene rolled over in his mind.

This included two corpses, bloodstains, shoes, clothing, fractures, wounds...

A string of evidence information was all presented in the brain.

Suddenly, the following questions appeared in Jiang An's mind:

When did the killer enter the central scene?

What happened after the killer entered the scene?

Did the killer kill first and then take money, or take the money first and then kill?

After the killer entered the scene and completed the murder act, where did they leave from?

What was the killer's motive for coming to this scene?

Murder?

Or was it to steal money?

Was the killer one person? Two people? Or three people?

...

These questions all surfaced in his mind.

After 5 minutes, a scene appeared in Jiang An's mind, where the killer pushed open the courtyard door, opened the living room door, entered inside, fought, took money, and finally left.

However, Jiang An still found some details ambiguous, and even the sequence was not entirely certain.

Number of suspects? Crime process...

"Brother Jiang An!"

A touch on the shoulder pulled Jiang An's thoughts back to reality.

He turned his head and saw Deputy Director Li Hongbing standing beside him.

Li Hongbing asked, "Mr. Jiang, were you too tired just now?"

"I was afraid you might fall, so I helped a bit."

Jiang An raised his hand to press his temples and softly said, "Thank you, Mr Li."

"It's nothing! Maybe I was just too absorbed in the problem earlier."

Li Hongbing nodded upon hearing this. "You've worked hard."

"You all came from a long way today, rushing all the way here."

"And as soon as you arrived, we asked you to come for scene investigation. As the Deputy Director of the Public Security Bureau, I really feel a bit sorry."

Jiang An quickly said, "Mr Li, you don't have to be too polite."

"We share the same starting point, which is to solve this case as soon as possible."

"Moreover, the killer in this case is not simple. If we only use traditional investigation methods, the progress might not be significant."

Li Hongbing looked around and sighed.

"In all my years of criminal investigation work, I have indeed encountered unsolved cases."

"However, the total number of unsolved cases has never exceeded five fingers."

"For this case in front of me, I also find it very tricky."

"In theory, the rustic simplicity of rural areas should make investigations uncomplicated."

"At the beginning of the case, we divided the investigation into two lines, one centered on the crime scene, spreading outward, with a focus on investigating people around the scene."

"The other line involved investigating individuals in the city with previous records of theft and robbery."

"However, after a month-long investigation, there still weren't any valuable leads."

Finally, Li Hongbing looked down at the chalk human figure outline on the ground.

"Seventy years of life are rare!"

"With whom could these two old-age elders have harbored a grudge to suffer such a tragic death?"

As he spoke, Mr. Zhao also walked over.

His brows were tightly knitted, and he had an anxious expression.

"For this case, our criminal investigation team worked overtime for a whole month, but in the end, we didn't even find a trace of the killer."

Jiang An looked around and said in a deep voice, "I never believe in a perfect crime."

"Any criminal process will leave flaws."

After a slight pause, Jiang An said, "Just now, I further clarified the state of the bloodstains and corpses during this scene investigation."

"However, there are still many things I don't understand in my mind."

"I want to personally go to the forensic autopsy center to examine the bodies."

"After all, just looking at photos is not comprehensive and three-dimensional enough."

Li Hongbing gently nodded.

"No problem! I will arrange it immediately!"

"However, I worry that you might be too exhausted."

Wan stepped forward and smiled, saying, "Mr. Li, you don't need to worry about our physical condition."

"Previously, when we were solving cases in Jiangcheng, we could work through the night for four consecutive days without any issues."

After a slight pause, he continued, "However, if you want to boost Mr. Jiang's spirits, you can buy two cases of Red Bull."

"Hahaha, no problem, I'll get the Red Bull right away, plenty to go around."

30 minutes later, the group drove their police car into the courtyard of the Han City forensic autopsy center.

Unlike Jiangcheng's forensic autopsy center, the Han City forensic autopsy center is much more grand.

As they got out of the car, Zhang Yean gave a thumbs-up upon taking a glance.

"If it weren't for the signboard of the forensic autopsy center, this building from afar really looks like a luxurious villa."

Hearing such praise from Jiangcheng, Mr. Li's face was filled with pride.

He said, "This forensic autopsy center was officially put into use in January last year, with a total investment of 270 million. The project includes conventional autopsies, infectious disease autopsies, and the latest virtual autopsies."

Hearing this introduction, Wan slightly opened his mouth with a surprised look.

"Building a forensic autopsy room actually costs 270 million!"

"I think spending this money on the dead seems a bit extravagant!"

Then, Wan clicked his tongue and said, "I remember when I first started working, Jiangcheng's forensic autopsy center only had a cement forensic dissection table."

"Cold in winter, hot in summer!"

"Even in summer, there were many mosquitoes biting the skin of forensic and trace personnel."

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