Chapter 8
"That's right, the poison is applied to the right side of the blade. When others hold a knife with their right hand to peel an apple, the poisonous side faces the peel. Only when a left-handed person holds the knife with his left hand will the poison on the blade be stained on the pulp. Potassium cyanide It is a highly poisonous poison, and even a little bit of contamination is enough to kill a person. It just so happens that the peels they peeled were quickly taken out by the waitress, so the police could not detect any traces of poisoning afterwards."

Tietou nodded in admiration, and then asked: "Then who put the poison on the blade?"

Tang Tian said: "The knife was cleaned by the maid before it entered this room, so it should have been smeared with poison after entering this room."

Tietou thought about it and said: "So, the murderer is among the three friends that Zou Hongcai hosted." He suddenly slapped his thigh, "By the way, the murderer must be Bao Yacan."

"why?"

"After the knife is brought in, it is very difficult to smear the poison in full view without being noticed. Bao Yacan was the first person to rush to peel the apple. Only he can take advantage of the opportunity to peel the apple. , spread the poison on the outside of the blade."

Tang Tian thought for a while, but shook his head and said, "I know Bao Yacan, and I think it is unlikely that he is the murderer. First, he is a guy with well-developed limbs and a simple mind. It is okay to ask him to fight to collect debts." If he was asked to use such a meticulous method to poison people, he probably wouldn't be able to think of such a perfect way to break his head. Second, he is just a street gangster, unemployed, and usually earns a living by working as a thug for Zou. Some money. If Zou Papi dies, it will only be bad for him, not good."

Tietou thought for a while, and then said: "I heard that Zhang Xueyou and Zou Hongcai's wife secretly went to Chencang, and their relationship is ambiguous. Could it be that adulterers and prostitutes colluded to murder their husband?"

Tang Tian said: "There are no other clues at present, so I have to check in this direction."

Tietou immediately regained his energy: "I'm going to find Zhang Xueyou right now."

Tang Tian stopped him with his crutches and said, "Don't be busy. This Zhang Xueyou is a casino owner and is very sensitive to the police. We are just speculating and there is no solid evidence. You can go to him directly. If you startle the snake, it will make him vigilant." It's not good. I think you might as well go to Zou Hongcai's house and start with his wife, maybe you will have some clues."

Tietou nodded and said, "Okay, I'll listen to you. If this case is solved, I'll treat you to Qingyang Hotel for a feast."

3
The next morning, Tang Tian was drinking tea at Taoxuan Teahouse when he suddenly heard the stairs being trampled on.

As soon as he heard the footsteps, he knew it was the iron head.

Tie Tou sat down on the chair opposite him, took a sip of tea, took a breath, and said excitedly: "Brother Tian, ​​Zou Papi's murder case finally has a clue."

Tang Tian asked, "Really, did Zhang Xueyou really do it?"

Tie Tou said: "The murderer is not him, but someone else."

After he bid farewell to Tang Tian and left Qingyang Hotel yesterday, he immediately began to investigate the relationship between Zhang Xueyou and Zou Hongcai's wife, and found that the two had indeed had an improper relationship between men and women before, but this relationship did not last long.

Zhang Xueyou's wife is the daughter of the leader of the Qinglong gang in the underworld in Qingyang. She is willful and domineering, and is a famous tigress.When she found out that her husband was having an affair, she actually invented a kind of men's chastity underwear and forced Zhang Xueyou to wear it.

The design of this kind of chastity underwear is very ingenious. After Zhang Xueyou puts it on, he can defecate and defecate safely, but if he wants to have sex with a woman, he must use the key in his wife's hand to open the lock.Moreover, Zhang Xueyou's gangster father-in-law also uttered cruel words, if Zhang Xueyou dared to let his daughter down, he would castrate him himself.

Due to internal and external pressure, Zhang Xueyou had already severed relations with Zou Papi's wife.So it is almost impossible for him to kill for love.

But when Tietou went to Zou Bapi's house to investigate, he found something else.

In Zou Papi's bedroom, he found a half-foot-square iron box locked with a combination lock.

According to Zou Papi's wife, the iron box was specially used by Zou Papi to store important receipts, and only Zou Papi himself could open it.

Tie Tou took the iron box back to the Public Security Bureau, and after asking the technicians to open it, he found that it contained Zou Papi's usury accounts and IOUs of debts owed to him by others.

Among them, the IOU with the largest amount of borrowing was written more than a year ago, and the loan amounted to 50 yuan.If the rolling interest is calculated, at least 80 must be paid back now.

And the person who borrowed this huge sum of money from Zou Papi was none other than one of the three people he hosted at his birthday banquet—the owner of Zhenxiang Rice Store, Lao Shuai.

Tang Tian asked while drinking tea, "So you suspect that the murderer who poisoned Zou Hongcai was the old man?"

Tietou said: "I've done some research, and the old man's rice store has been having difficulty in cash flow recently. I guess Zou Papi must have asked him repeatedly to collect the debts. Under such circumstances, it is natural for him to have the idea of ​​killing people to avoid debts." It's over."

Tang Tian shook his head lightly and said: "I heard that Zhenxiang Rice Shop's business has always been booming, and now it has opened two more branches. Although 80 yuan is a bit much, the old man should still be able to afford it. Like him It seems unlikely that such a cautious and calculating businessman would risk murder for a sum of money owed."

Tietou became a little anxious: "There were only three people present at the time, neither this one nor that one, so who do you think is the murderer?"

Tang Tian smiled calmly, but couldn't answer.He asked Tietou to give him the iron box he found from Zou Papi's house.He fumbled to open the iron box, took out a stack of papers inside, and "read" one by one.

Knowing that he couldn't see, Tietou poked his head over and read to him one by one, how much RMB was borrowed from Zou Hongcai, and how much interest, within three months, if the overdue payment was not made, the interest would double... The one with the largest number is indeed the old man's one.

When Tang Tian took out the bottom piece of paper, the iron head stopped.

Tang Tian asked him why he didn't read it anymore, Tietou replied with a smile: "I can't read it, this is a blank sheet of paper."

Tang Tianqi said: "Why did Zou Papi put a blank sheet of paper in such an important iron box?"

Tie Tou said: "This piece of white paper is placed at the bottom, it is probably used to pad the box, and it is of no use."

Tang Tian felt inside the iron box: "No, this iron box is clean, there is no need to use paper to pad it at all."

He spread the white paper on the table, touched it lightly with his hand, and was stunned: "No, there are words on this paper."

Tietou smiled and said, "Brother Tian, ​​my nose is not as sharp as yours, but my eyesight is not worse than yours, right? This is a blank piece of paper with no words on it."

Tang Tian ignored him, only frowned, and while groping lightly on the white paper with two fingers, he said, "I can feel that there are indeed words written on it, written with a pen. Isn't this It's not an IOU, but a guarantee."

Seeing that he was serious and not joking, Tietou became puzzled: "Then tell me, what is written on it?"

Tang Tian groped for the writing on the paper, and read: "I guarantee that after marriage, I will still maintain a lover relationship with Zou Hongcai, and we will date at least twice a month. If we violate this agreement, we will be ruined and die badly."

Tie Tou couldn't help being stunned: "This sounds a bit like a letter of guarantee written by Zou Papi's lover."

Tang Tian said: "Indeed."

"Then touch it again and see who wrote it?"

Tang Tian touched the signature place again, with a look of surprise on his face, and it took him a long time to say: "The signature is Ding Jie, and the time is five days before Zou Hongcai was murdered."

Tie Tou almost jumped up: "Is what your old man said true? This is not a joke. Why do I think this is a piece of white writing, and there is not even half a handwriting on it?"

Tang Tian rolled his eyes and asked, "You really can't see the writing on it?"

Tie Tou shook his head and said, "I can't see it."

Tang Tian was startled, put the white paper in front of his nose and smelled it: "No wonder, this paper smells of starch and iodine. As far as I know, adding a few drops of iodine to starch makes blue ink , When I first started writing, the handwriting was blue, but after four or five days, the handwriting would gradually fade due to chemical reactions, until finally it was completely invisible. Fortunately, I met a blind man, otherwise there would never be anyone I know there are words written on this white paper."

Tietou suddenly realized: "That woman Ding Jie looks dignified and delicate, but she actually had an affair with Zou Papi secretly. It's just that she wrote a guarantee letter for her lover, why did she use invisible ink?"

Tang Tian seemed to understand something, raised his brows, and said, "The most reasonable explanation is that she doesn't want anyone other than Zou Hongcai to see this letter of guarantee, because she knows that Zou Papi will wait a few days after she writes this letter of guarantee." If the police see the handwriting on this letter of guarantee, they will suspect her."

"How could she have known in advance that Zou Papi would die five days later? Unless she is..."

"Yes, she is the one who murdered Zou Papi."

Tietou slapped his head: "Yes, she is the one who murdered Zou Papi. She had an affair with Zou Papi, and now she is going to marry Zhang Dashao, the richest man in Qingyang, but she can't get rid of Zou Hongcai's entanglement, and even Zou Hongcai has to push forward He asked her to maintain this improper relationship with him after she got married. He was afraid that she would repent, so he asked her to write a letter of guarantee. Ding Jie had to write a letter of guarantee with invisible ink to stabilize him, and then try to get rid of him This is a stumbling block for her to become a rich young lady. But how did she poison the fruit knife?"

Tang Tiandao: "Didn't the waitress say that Ding Jie had personally checked the apples and fruit knives when she was washing them? I think she applied the poison to the blades at that time."

Tietou jumped up excitedly: "My good fellow, it turns out that she is the murderer. I'll take someone to arrest her right away."

4
As the sun rose high, the number of customers at Tingtao Tea House gradually increased.

Tang Tian was sitting in the tea house, drinking tea while waiting for news from Tietou.

About half an hour later, the waiter at the teahouse suddenly asked him to answer the phone, saying that someone had called him at the service desk.

He walked over on crutches, and when he answered the phone, it was Iron Head.He asked, "Ding Jie caught it?"

Tietou said dejectedly: "No, let her run away. I took someone to Qingyang Hotel to find her, and told her your reasoning verbatim, and she pleaded guilty at that time, just saying that she would enter We had to change clothes before leaving with us. Unexpectedly, we waited at the door of her room for more than ten minutes, but did not see her come out. We knocked on the door and went in to see that she had escaped through the window. We searched around the hotel , and did not find her."

Tang Tian let out an "oh" and said, "That would be such a pity."

Tietou paused and said, "Brother Tian, ​​I don't think this woman is simple. She already knows that you are the one who helped us solve this case. I'm worried that she might trouble you. I'll take my two brothers to her right away." There, you have to be careful."

Tang Tian smiled calmly: "Aren't you caring too much?"

After drinking morning tea, when Tang Tian returned to his small attic, the ticking clock in the room just struck ten.

As soon as he stepped into the room, he felt something was wrong, his brows were slightly frowned, and although he was humming the Huagu opera as if nothing had happened, he became vigilant in his heart, suddenly raised the crutch in his hand, pressed the spring, and there was a "bo" sound, A silver needle suddenly shot out from the crutch and shot straight towards the position where the chiming clock was placed.

Then I heard two sounds of "Ouch" and "Plop", as if a woman was shot in the leg by a silver needle, she couldn't stand upright, and fell to the ground.Then there was another "ding dong", as if the dagger or dagger she was holding fell to the ground.

Tang Tian asked lightly, "Is the person here Manager Ding?"

The woman said: "It's me." Then she asked in amazement, "I came in through the window. I know that although your eyes are blind, your eyes and ears are more sensitive than ordinary people, so you have been holding your breath. You, how did you know I was in the room?" Yes, even the bearing is so accurate? Aren’t you blind, your eyes can see?”

Tang Tian laughed and said: "No, no, I'm a completely blind man. You ask me how I noticed you, but it's actually very simple. I've lived in this house for decades, and everyone here One thing, every sound is as familiar to me as my own fingers, including of course the ticking of the chime clock on the table. After you entered the room, although you held your breath so that I could not hear your breathing, you But he happened to be standing in front of the chiming clock. If you have been blind for more than ten years, you will understand that the ticking sound of the chiming clock is different when no one blocks it and when it is blocked by someone."

"Blind man, who told you to meddle in your own business? You ruined my good plan. I really didn't expect that I would lose to a blind man. I am not reconciled! I have already killed a person, anyway, it is already a death penalty, If I don't kill you today, it will be hard to get rid of the hatred in my heart!"

With a murderous look on her face, Ding Jie bent down to pick up the dagger on the ground, resisting the pain from the needle prick in her leg, and rushed towards him suddenly.

At this moment, Tietou flew in with two policemen, and with a "bang", the gun in his hand rang...

(End of this chapter)

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