"The senior sister has a crush on the senior, the bloody part of the campus youth drama! But if this is true, then Liu Wei really has no motive to poison. He Jiahui said secretly in his heart.

At the same time, He Jiahui secretly observed the expressions of other people, and after everyone heard the news, they all had the same expression of eating melons, but Lin Zhijian looked much calmer.

"Lin Zhijian doesn't seem to be surprised that Liu Wei likes the dead, he should have known about it a long time ago!" He Jiahui said secretly in his heart.

Huang Qiqi asked directly: "Do you really have a crush on the deceased?" ”

Liu Wei did not answer directly, but nodded silently, and then cried again.

Assistant teacher Xue Youlin said abruptly: "No wonder Liu Wei kept handing Yu Zhenghuang food just now, it turns out that Liu Wei likes Yu Zhenghuang!" ”

Huang Qimeng looked at Xue Youlin and asked, "What you just said, repeat it again!" ”

"What did I just say?" Xue Youlin was stunned for a moment, and then said a little innocently: "I said that Liu Wei likes Yu Zhenghuang." ”

"It's not this sentence, it's the previous sentence!" Huang Qiqi asked.

"......I kept handing Yu Zhenghuang food just now," Xue Youlin asked.

"Does that include his favorite cream pastry?" Huang Qiqi then asked.

"This ......" Xue Youlin hesitated for a moment, he glanced at Liu Wei, and then nodded a little reluctantly.

"I see! I understand! Huang Qiqi laughed suddenly, and then said confidently: "I thought just now that the murderer was a random murderer, and the deceased Yu Zhenghuang was just unlucky enough to eat the poisonous cream cake."

But now it seems that this is not the case, if the cream crisp was handed to the deceased by Liu Wei, then this is a murder against the deceased!

The cream pastry was bought by Ms. Liu Wei, and she could have poisoned one of the cream pastries, and when you eat the cream pastry, she will give the poisonous cream to the deceased.

The deceased liked to eat the puff pastry, so he would not refuse, he would take the puff pastry and eat it. So he got poison on his hands.

And before the poison was attacked, he drank beer again and ate an egg tart, so the beer was contaminated, and the beer bottle and the egg tart holder were also stained with poison! ”

"Sir, isn't this right, isn't Liu Wei secretly in love with Yu Zhenghuang? Why did she poison someone she liked? That's not quite logical, is it? Assistant teacher Xue Youlin asked.

At this time, Lin Zhijian took the initiative to say; "I guess it's probably because Zhenghuang rejected Senior Sister Liu Wei."

There are big melons to be exposed again, and everyone is eating melons.

He Jiahui immediately said: "Mr. Lin, when Mr. Ma mentioned that Ms. Liu had a crush on the deceased just now, everyone was surprised, but you are the only one who is accustomed to it, do you already know it?" ”

Lin Zhijian nodded: "I am classmates with Zhenghuang, and we are the same tutor, we take classes together every day, and we spend more time together than with our parents, so I have long known that Liu Wei likes Zhenghuang."

And not long ago, Liu Wei learned that Zhenghuang broke up with his girlfriend and confessed to him, but Zhenghuang did not agree to him. Later, when we were chatting, Zhenghuang mentioned it to me, and I wasn't a talkative person, so I didn't tell anyone else.

Recently, Zhenghuang's thesis writing has not gone well, and I plan to take advantage of my birthday to invite Liu Wei to come over, hoping to match the two of them and make Zhengnan's mood better. But I didn't expect it...... Ay! ”

Huang Qiqi immediately looked at Liu Wei: "Ms. Liu, you poisoned him because you confessed to Yu Zhenghuang and was rejected by him, and you hated him because of love, right?" ”

"I didn't! I didn't poison it! Liu Wei cried and said.

"Ms. Liu, whether it's poison or not, you have to go to the police station with us! We'll search your home next, so let you know in advance! Huang Qiqi waved his hand and asked his subordinates to take Liu Wei away.

"It's really not me, I didn't do it! I was wronged! Liu Wei continued to cry bitterly.

At this time, Ma Minghao, who was stammering, stepped forward again: "It's not Liu Wei, it's definitely not her, she has no chance to poison at all!" ”

"Are you so sure?" He Jiahui asked with a smile.

Ma Minghao, who stammered when he spoke, immediately stepped forward every time Liu Wei encountered something, and He Jiahui had already seen some doorways.

"I ...... I ......" Ma Minghao began to stutter again, and waited for his face to be suffocated red again before he spoke: "Actually, Feng Ji's cream crisp was not bought by Liu Wei, but by me!" ”

"You bought it? But I clearly saw that those boxes of Feng Ji's dim sum were all brought by Liu Wei's senior sister! Lin Zhijian asked with a puzzled expression.

Ma Minghao let out a long sigh and stammered: "I originally planned to come over directly, but before coming here, I received a call from Liu Wei's senior sister, asking me to go to Feng Ji to buy a few snacks and bring them over." She also reminded me to buy cream pastry.

When I came over with the snacks, Liu Wei was already waiting for me at the door of the bar, she took the snacks from my hand, and then walked in directly. She hadn't even opened the package, let alone touched the cream inside. So it was impossible for her to poison. ”

"Let you buy it? Why didn't she buy it herself? Huang Qiqi asked with a questioning face. is not only questioning why Liu Wei didn't buy dim sum by herself, but more questioning the authenticity of Ma Minghao's confession.

"She said she had something to do and didn't have time to buy refreshments." Ma Minghao replied.

"Too late? Isn't it preparing poison? Huang Qiqi began to doubt again in his heart.

He Jiahui looked at Liu Wei, the eyeshadow had already cried into the same eye makeup, so he said:

"Girls, you definitely have to put on makeup when you go out, and it will take some time. What's more, if you want to meet someone you like, it is also common sense to dress up carefully. ”

Huang Qiqi immediately glared at He Jiahui, as if asking, which side are you on?

Then Huang Qiqi said: "Mr. Ma, if what you said is true, Ms. Liu did not open the packaging box of the dim sum, then Ms. Liu's suspicion can indeed be ruled out, but in that case, you are suspicious."

Because you buy and bring the dim sum, in the process, you have plenty of time to poison the dim sum. ”

"It's not me! I didn't poison it! After I bought the snacks, I came straight over! I haven't opened the package either. Besides, why should I poison it! Ma Minghao hurriedly retorted.

"It's very simple, because you like Ms. Liu Wei!" Huang Qiqi snorted coldly.

Huang Qiqi is not a fool, Ma Minghao, an introverted man who stutters when he speaks, actually stood up for Liu Wei twice in a row, and was willing to be a tool man to buy Feng Ji's dim sum, showing that he likes people.

At this time, Lin Zhijian also opened his mouth to introduce; "Ah sir, Ma Minghao really likes Liu Wei, when I was in college, I was in the same class as Ma Minghao, and at that time he had a crush on Liu Wei's younger sister, but he didn't dare to confess, many people in our class knew about this."

"That's right!" Huang Qiqi instantly possessed Maori Kogoro, and said confidently: "Mr. Ma, you like Ms. Liu, and Ms. Liu likes the deceased, so you decided to kill the deceased, this is your motive for killing!"

I even have a bolder guess, while you killed the deceased, you also wanted to blame Ms. Liu, so you are also revenge that Ms. Liu didn't choose you! ”

"Inspector Huang, I think you're overinterpreting." He Jiahui's voice sounded from the side, and he continued: "If you want to blame Ms. Liu, there is no need for Mr. Ma to stand up and defend Ms. Liu, and there is no need to admit that it was the dim sum he went to buy. ”

Huang Qiqi was slightly stunned, and felt that he was thinking too much, he immediately said: "That's the first point I said, Mr. Ma killed the deceased out of jealousy because Ms. Liu liked the deceased." ”

"That's not right! Because Ms. Liu didn't know that the piece of cream crisp was poisonous, if Mr. Ma poisoned it, there was no guarantee that Ms. Liu would give the deceased a piece of poisonous cream cake. He Jiahui's voice sounded again.

"This ......" Huang Qiqi was suddenly embarrassed by a capital letter, and he was also possessed by Maori Kogoro, who failed in reasoning.

In the next second, Huang Qiqi thought of another possibility, and he said, "It is also possible that the two of you are conspiring!" Ms. Liu planned to poison the deceased because of love and hatred, but Mr. Ma was willing to help her because he liked Ms. Liu!

Mr. Ma agreed with Ms. Liu in advance to poison one of the dim sums, and then Ms. Liu handed the poisonous cream crisp to the deceased, so that both of you can clear the suspicion! ”

"You talk nonsense!"

"I didn't!"

Liu Wei and Ma Minghao retorted at the same time.

"Huang's imagination, why didn't it be used on the right path!" He Jiahui sighed helplessly, and at this time he already had another guess in his heart.

So He Jiahui said: "The possibility that Inspector Huang said also exists, but if you want to verify it, it is actually very simple, you only need to check whether there is a poison reaction on Ms. Liu's hand."

If Ms. Liu handed the poisoned snack to the deceased, then her hands must also be contaminated with cyanide, and she only needs to test it, so as to know the truth! ”

"I'll check it right away." The forensic officer spoke.

After a moment, the forensic scientist stared at the kit and shook his head: "Ms. Liu has no poison reaction on her hands!" ”

"None? How so? Huang Qiqi was a little confused.

He Jiahui opened his mouth and said: "It seems that our direction from the beginning was wrong, and the source of the poison may not be in the food!" So everyone was fine after eating snacks, and Ms. Liu did not have a reaction to the poison in her hands. ”

"In other words, there is no poison in the cream cake I handed to Zhenghuang, and I didn't kill him!" Liu Wei's expression finally became less self-reproachful.

He Jiahui nodded and admitted Liu Wei's statement.

Detecting poisoning cases and determining the source of poison is the most important link. At first, everyone thought that the source of the poison was in the beer, and then everyone thought that the source of the poison was in the food, but now that both sources of poison have been overturned, the case is back to square one.

"There is no poison in the wine, there is no poison in the food, and the deceased did not commit suicide, so where did the source of the poison come from?" Huang Qiqi said with some dejection.

He Jiahui was much calmer, he said: "Let's re-examine the case, the cause of death of the deceased was cyanide poisoning, which means that he must have consumed cyanide.

Our first hypothesis was that the cyanide was in the wine, but this hypothesis was later disproved by the detection of cyanide in the hands of the deceased without touching the alcohol.

So we have a second hypothesis, that is, the cyanide in the food, the cyanide on the hands of the deceased was touched when he took the food, and the cyanide in the wine was caused by the contamination when he drank the wine.

All of our assumptions are based on this, but if there is no cyanide in the food, then the second hypothesis is also disproved.

We might as well think of the second hypothesis in reverse: the food is clean, but the hands of the deceased are not clean, and the source of the poison is actually the hands of the deceased, whose hands were already contaminated with cyanide!

And when he eats the food, the cyanide will get on the food, and he will eat it, and he will be poisoned because of it. At the same time, this speculation can also explain that there will be a cyanide reaction on the can, which is also brought by the deceased! ”

"It makes sense, if the source of the poison is the hand of the deceased, then the results of the forensic examination can make sense!" Huang Qiqi showed a sudden expression, and said to himself: "The question is where did the cyanide in the hands of the deceased come from?" ”

Huang Qiqi said, his eyes on Lin Zhijian.

Lin Zhijian subconsciously took a step back: "Sir, look at what I do, don't you think that I poisoned Zhenghuang!" ”

Huang Qiqi said: "Mr. Lin, during the meal, you and Miss Liu sat on both sides of the deceased, you are the closest to the deceased, and you are also the most likely to let the deceased's hands get cyanide."

Miss Liu has been searched just now, and her hands have also been tested for poison, so Miss Liu's suspicion can be preliminarily ruled out, so you are left. ”

"Then you can also search my body, and I can also do a poison test." Lin Zhijian said and stretched out his hands.

Next to him, his cousin Lin Youqiang also said: "Sir, just search me together, so as not to suspect me again for a while!" ”

"And we, we're willing to search too! As long as we can prove our innocence. Assistant teacher Xue Youlin raised his hand and said.

The parties concerned have expressed their willingness to accept the body search, and the police will naturally have no opinion.

The results of the body search were definitely none. People have taken the initiative to ask for a body search, so naturally there is no fear, and it is impossible to bring poison on their bodies.

From the beginning of the dinner party to the murder, no one left, and no one carried a container containing cyanide on their bodies, and none of them reacted to cyanide on their hands, which is equivalent to ruling out their suspicions.

The poisoning case could not find the source of the poison, and the case could not be investigated.

The helpless Huang Qiqi had no choice but to look at He Jiahui, but at this time, he began to look forward to whether He Jiahui could find the murderer with a single reasoning like the last murder case in the police academy cafeteria.

However, Ho Ka Fai made an unexpected move, he walked to the table, reached out and picked up a piece of cream pastry, put it in his mouth and tasted it......