Yang Qiuchi did find the kidnapper's individual animals from this phlegm, thus narrowing the scope of detection. At that time, he observed the extracted phlegm by microscope, because this showed that the person who spitted had bronchial asthma. According to the phlegm as viscous as glue and had bloodshot, he knew that the man's bronchial asthma was already very serious and might even have lung cancer. He used this as a clue and followed the clues to find a letter to Fatty Zhu.

Fatty Zhu was a little disbelief and asked, "You know that it was me from the mouthful of phlegm I spit out on the rockery? Did you brag?"

Yang Qiuchi smiled: "From this mouthful, I know that the person who kidnapped the young master of the magistrate suffered from asthma. I can't find you so quickly by relying on this point. Fortunately, you have left other flaws."

"What flaw?" Fatty Zhu asked after gasping heavily.

Yang Qiuchi slowly took out a folded piece of paper from his arms and unfolded it, which read "Father's debt and son pay back", which was the note that Fatty Zhu left in the children's shoes when he kidnapped his child. Yang Qiuchi said: "You shouldn't use the paper you came back from the medicine shop to write a message."

"What's wrong with this paper?"

"This kind of paper is called mulberry paper, which is very strong. It is usually used to paste windows, umbrella surfaces, and writing textbooks. However, it also has a common use, which is used by the medicine shop to wrap medicinal materials."

Fatty Zhu came back to the taste and asked again: "Since there are so many uses, how do you know it is a package of medicinal materials?"

"The paper wrapped in medicinal materials will leave the taste of medicinal materials. Moreover, this piece of paper is cut squarely, making people think of the paper wrapped in medicinal materials at a glance." Yang Qiuchi said, turning the piece over again, pointing to the thin lines on it, and said, "In addition, have you noticed the liquid? This is a trace of the thin rope of medicinal materials wrapped in medicinal materials. Other uses will not have such traces."

Fatty Zhu was so fascinated that he couldn't see it. Yang Qiuchi took two steps forward and asked him to see it. Fatty Zhu immediately shouted nervously: "Get back! Go back!"

This person is still very vigilant and can't be anxious. Yang Qiuchi warned himself in his heart, quickly retreated back to his original place, and said with a smile: "What are you doing so nervous? I just let you see. I am a scholar without any power. You have a knife in your hand and a hostage. What can I do?"

Fatty Zhu said: "Anyway, none of you can come here! Just say it there!"

"Okay! We're just here."

Fatty Zhu stared at them and then relaxed a little. He kept holding the child with his left hand. Although the child was light, he felt a little tired after holding it for a long time. So he squatted down slowly and placed the child on the ground, with the sharp knife still pressing against the child's neck tightly.

This person is very vigilant and difficult to deal with. Yang Qiuchi thought to himself that he must talk to him as much as possible, numb his thoughts and draw his attention away, so that he has the opportunity to take action.

People are curious, although curiosity can sometimes kill people, and Fatty Zhu is the same. Seeing that he was hiding behind the child and having a child as a shield, Xinqing relaxed a little and asked Yang Qiuchi: "Even if you see that the paper is from a medicine shop, there are so many medicine shops in the city, how can you find me with this?"

Yang Qiuchi felt a little relieved. As long as people have curiosity, they will inevitably be negligent. They smiled and said, "That's right, there are more than ten large and small pharmacies in Zhenyuan City. First of all, I have to find the medicine you bought at which one you can find you."

"Yes, the name of the drugstore is not written on that piece of paper. How about taxes and profits? "

"Although there is no name written, the papers of each pharmacy shop are cut, so the sizes are different. Moreover, the pharmacy shop has been operating for many years, and the sizes of the cut papers that have been packed with medicine have been formed in their own specifications. I just need to use this piece of paper to compare them with their papers one by one, and I will find the pharmacy shop where you bought the medicine. This pharmacy shop is the 'Jishi Pharmacy' diagonally opposite the place where you live. I'm right."

Fatty Zhu couldn't help but feel a trace of admiration flashed on his face, and then said, "Even if you find this pharmacy and see so many doctors every day, how do you know who is the kidnapper?"

Yang Qiuchi smiled: "Any crime will leave traces, it depends on whether you can find it. Unfortunately, another trace left by your kidnapping of the child has also been found by me. I can find you accurately this trace."

Fatty Zhu was shocked, thought for a while, but did not find any other flaws he had exposed, and looked at Yang Qiuchi in confusion.

Yang Qiuchi shook the mulberry paper of the red envelope of medicinal materials and said, "The four words you wrote are powerful and experienced, and are free and easy. At first glance, they are very knowledgeable. In this town, the people are very hard-working. There are not many people who are rich and study, and even fewer people can write this good stator. In this way, the obvious exclusion of Bai Ding among the people who go to Jishi Pharmaceutical Hall these days, and the scope is narrowed to those who are knowledgeable."

"I admire you!" Fatty Zhu praised and said, "But, just this is still not enough to know that it is me, right?"

"No," Yang Qiuchi shook the paper in his hand again and said, "But you left a trace, allowing us to find you accurately."

"What traces?"

"Your handprint."

"Handprints?" Fatty Zhu was stunned for a moment.

"Ground! Do you know? People have invisible sweat stains on their hands and some invisible dust sticking to them. Therefore, when you touch them, you will leave your handprints wherever you touch them. However, because the sweat stains are colorless, we cannot see these handprints. However, I have a way to see these handprints. I used this method to find the handprints left by people on your note."

Fatty Zhu didn't believe it and smiled, "How is that possible? Even if you have a way to find the handprints on this paper, but so many people have touched this bag of medicinal materials, how do you know which handprint is mine?"

"When a person determines the character, he will habitually hold the paper in his hand. Based on this, it can be inferred that the pressing handprint on the left side of the paper is left by the person who writes."

Fatty Zhu was stunned for a moment and said unconvincedly: "Even if you find the pressing handprint I left on the paper, and the handprint does not have my name, how do you know it is me?"

"Because I have another ability, I can judge the age and fatness of this person from the handprints left by people."

"I can't tell you, you can tell fortunes." Fatty Zhu sneered tired.

Yang Qiuchi was not angry and smiled slightly: "After I observed carefully, I found that the pressing handprint left by the person who wrote was larger, with sparse patterns, widened grooves, and wrinkles. It was said that it was left by middle-aged and elderly people. In addition, the handprint was wide and the edges of the fingerprint were round, which meant that this person was a big fat man."

Yang Qiuchi paused and concluded: "Based on the above traces, we can make the next judgment that this kidnapper is a middle-aged and fat man with knowledge, good writing, and suffering from severe asthma. There are still blood in the sputum. I have seen him in Jishi Pharmacy these days. Think about it, although there are endless people going to Jishi Pharmacy to see you every day, they may not remember you, but with the information we provide, can Jishi Pharmacy's palm doctor remember who is here?"

Yang Qiuchi took out another piece of paper from his arms and said, "This is when you were in Liushi Pharmacy. The doctor prescribed a prescription with your name on it: Zhu Long! People usually see a doctor nearby, so you only need to find a mile and check it out to know where you live. This is called the vast net of heaven, and it is sparse and not leaked!"

Fatty Zhu sincerely exclaimed: "I admire you! Mr. Zhu is really admired!" After a pause, he said coldly: "What can you do if you find me? The child is in my hands, what can you do to me?"

Song Yun'er saw the child being wounded from the tip of the knife on his neck and said angrily: "Hey! Are you a man? Take a child as a hostage? Didn't you see his neck bleeding? Is your heart made of iron? If it were your own child, could you treat him like this?"

Fatty Zhu laughed loudly, but the laughter was so shrill: "My heart is made of iron, haha, little girl, the heart of the magistrate Geng Fenggang next to you is made of iron!"

Song Yunerqi said: "What's wrong with you, Lord Geng?"

Fatty Zhu said angrily: "Go and ask him, ask this stern-hearted Geng Fenggang!"

Song Yuner turned around and looked at Geng Zhizhou.

Geng Zhizhou was confused and asked Fatty Zhu, "Why are you? You were corrupt and abused by the law back then, so I took you for granted. That's natural. How could you be so heartless?"

"Haha, I am corrupt and abused the law, and I deserve it, but what about my wife and children? Do they also be guilty? Do they deserve it too?" Fatty Zhu blushed and his fat body trembled due to excitement. The sharp knife in his hand slid and made a small cut on the child's neck.

Yang Qiuchi waved his hand at Geng Zhizhou, and then Fatty Zhu said anxiously: "Don't! Don't worry! Tell me slowly, what's going on? Tell me slowly, let's be a judge to see who is right and who is wrong in this matter."

Fatty Zhu gasped for a few breaths, then coughed violently, then spat a mouthful of thick phlegm, breathing more relaxed, and then said: "Okay, I said, I was a young clerk in the sixth room of the Geng Zhizhou yamen. I was accused of corruption and bribery for a while. Geng Zhizhou asked me for accusation. I had no complaints, but I was sentenced to one thousand miles and a three-year prison term. This punishment must be reported to the Ministry of Justice for review and approval by Dali Temple. By the time the Dali Temple was sentenced to the death, my wife was already ten months pregnant and was about to give birth."

"I beg him to wait for my wife to give birth to her child first, settle them and then serve her sentence, but I didn't expect that Geng Zhizhou would let the dog eat her heart. The letters I handed over in the prison were like stones. Later, I was forcibly sent away, and I couldn't even look at my wife and the unborn child."
Chapter completed!