Recalling that in the past, when Zhao Yu was investigating the Beichuan Demon Case, he had entered the territory of Western Sichuan Province, but he had never been to Andu.

Andu is the capital of western Sichuan Province and is the largest city in southwest China.

When Zhao Yu arrived by high-speed train, the time had already come to ten in the evening.

The climate in Andu is slightly hotter than Yaoming, and it is already in the rhythm of summer.

Because he had greeted him in advance, Zhao Yu didn't like to work and move the crowd, so the only person who came to greet Zhao Yu and others this time was Zhang Ling, the criminal police captain in charge of the ghost king case at the Andu Police Station.

When she heard this name before, Zhao Yu thought that she was another female criminal police captain, but after meeting, she found out that Zhang Ling was not only a proper male captain, but also a middle-aged greasy uncle without a single hair on his head.

Now, Zhao Yu has long been famous and resounding throughout the criminal investigation community, so when the two sides met and introduced, Captain Zhang Ling was obviously a little nervous and restrained, and even a little afraid.

It is estimated that he has already heard of Zhao Yu's unique detective thinking, as well as his flying and domineering fiery temper. Therefore, between the conversations, Zhang Ling always maintained a cautious state, for fear of saying something wrong and offending the detective.

However, Zhang Ling is also a smart person, he should have done his homework in advance and understood that Zhao Yu didn't like too much entertainment and politeness, so when Zhao Yu got in the car, he immediately reported to Zhao Yu.

"The deceased's name is Niu Jinkui, a teacher at the Children's Music Art School, specializing in teaching guqin," Zhang Ling's voice is loud and round, as if he has learned to broadcast and host, "62 years old this year, he used to be an actor in the Sichuan Opera Troupe, and he is proficient in various musical instruments......

"Oh?" Zhao Yu was slightly stunned, "Another singer?"

"Sichuan opera?" Cui Lizhu interjected and asked, "Is there a change of face?"

"Hmm...... Yes, changing your face is just one of them......" Zhang Ling looked at Cui Lizhu, and didn't dare to linger on this childish little beauty, so he continued to introduce, "Niu Jinkui has indeed performed on stage, but most of them are small tricks, and his main job is still a musician!"

"However, as a musician, he used to be a well-known figure in our local area, and he once appeared on CCTV programs!

"Later, he also had a secret love with a married woman, was caught and raped on the spot, and his reputation plummeted, not only divorced, but also dismissed by the troupe, and he could only go to school to teach guqin......

"Oh......" Ran Tao nodded and said, "It seems that this person is not a fuel-efficient lamp!"

"He now lives alone," Mr. Zhang said, "so he has been missing for so many days without reporting it." As for the school, I just saw that he didn't go to work and called him, but the phone was turned off, and I didn't dig into it......

"Also, the guqin at the scene of the crime is also Niu Jinkui's own!

"It is said that that guqin is very valuable, and it is a guqin made by hand......"

"Oh...... So...... Have you searched the victim's home?

"The search has been conducted," Zhang Ling hurriedly replied, "No suspicious traces were found in the deceased's home, and his mobile phone, wallet and other valuables were not there, indicating that the deceased's home was not the first scene, and he should have been kidnapped by the murderer outside!"

"Oh......" Zhao Yu pondered for a moment, and then asked, "So, what kind of temple is it, it is the first scene of the crime?"

"Yes!" Zhang Ling nodded and said, "It's the Guandi Temple." According to the forensic examination, it should be the scene of the first crime, and the deceased was taken there by the murderer on the night of 3 days ago, and then killed!

"According to the autopsy report, the deceased died of TES poisoning, which is what we often call rat poisoning, I believe ......" Zhang Ling gestured to his mobile phone, "You have already seen this report, right?"

"Hmm......" Zhao Yu nodded.

"The murderer has definitely made full preparations in advance," Zhang Ling said, "The solubility of the poisonous rat in the water is very low, but he used a chemical reagent containing acetone to dissolve the poisonous rat strong, and then injected it into the digestive tract and respiratory tract of the deceased by injection of injection, accelerating the poisoning speed of the other party!"

"According to forensic estimates, after the deceased was poisoned, it should be enough to kill in less than 15 minutes!

"If you take into account Niu Jinkui's age and physical condition, maybe the entire death process will not even take 5 minutes!"

As soon as these words came out, Zhao Yu immediately fell into deep thought.

Zhang Ling waited for a while, and saw that Zhao Yu was almost contemplative, so he continued: "Rat poison is a strong poison, once used, accidents occur frequently, so in 1991, it was completely banned from production and sales!"

"After taking the poison, the symptoms are very severe, which can affect multiple systems of the human body, convulsions and vomiting, until the loss of consciousness and the body stiffens!

"The medical examiner said," Zhang Ling said, "the victim had obvious signs of binding, and they suspected that the deceased was tied to the seat by the murderer when he died of poisoning."

"When a person dies, the body immediately becomes stiff and clings to the seat, so after the person dies, the murderer unties the rope again......"

"Wow......" Hearing this, Cui Lizhu couldn't help but say, "The murderer is evil enough, I feel that his brain must be sick!"

"Captain Zhang," at this time, Zeng Ke asked Zhang Ling, "Have you found the file information of Tao Yulan's case?

"Hmm...... What about this......" Zhang Ling looked at Zhao Yu uneasily, and then said, "Tao Yulan's case happened in the early days of liberation, and at that time, Andu was not the capital of western Sichuan, so the relevant files have to be found in Chongyang City!"

"Well, my colleague over there is already looking for ......"

After finishing speaking, Zhang Ling looked at Zhao Yu again, and after finding that Zhao Yu did not look lifeless, he continued with relief: "Regarding the poisonous rat strong, it is definitely impossible.

"We have checked the information, the poisonous rat was invented by German scientists in 1949, and by 53 years, it had not yet become popular in our country, so it ...... The poison used by Tao Yulan should be something else!"

"After all, there is a gap of 66 ......years between the two cases," Wu Xiumin said to Zhao Yu, "Team leader, I think we should focus on the case in front of us first!"

"Hmm......" After Zhao Yu nodded, he asked Zhang Ling again, "What happened at the scene of the crime?"

"This ...... Hmm......" Zhang Ling hesitated for a moment, and said helplessly, "No witnesses have been found yet, and the area around the crime scene is a demolition area, and the monitoring equipment there has long been damaged!"

"That'...... What about the dash cam?" Ran Tao interjected and asked.

"There are all small alleys in the demolition area, and cars can't get in at all, so the dash cam doesn't work...... We can only investigate through the surveillance on the outer roads, and the surveillance of some shops, but we have not yet received any clues......"

"Huh," Zhao Yu exhaled and said, "The use ......of syringes alone shows that the murderer has been prepared, and he must have already surveyed the terrain!"

"It seems...... This time, we have met a master again!" Zhao Yu thought for a while and said to Zhang Ling, "Since this is the case, then let's not go to the police station first, let's go to the scene directly!"

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