Mystery Pursuit

Liu Chao: "How could Zhang Qi's knife have my fingerprints? I have never touched it."

Yu Ye's expression darkened instantly, and he put the documents in his hand on the table, "Sometimes he said he didn't know each other, and another moment he said Zhang Qi's knife, now is an important stage of this case, you'd better be honest, what's the matter with this knife, say clearly."

The smile on Liu Chao's face froze, and he nodded quickly, "I said, I said everything, the second brother bought a knife some time ago." He squinted at the murder weapon on the table, "Is it the same knife as yours? I'm not sure, the second child's knife has only cut watermelons, but never killed anyone."

"How do you know if he killed anyone before?" Yu Ye asked.

"Zhang Qi can't hide things in his heart. He has to tell us when he goes to the toilet several times a day. If he kills someone, he will come back early and be embarrassed."

"When did he buy this knife? Who bought it with him?"

"I bought it for two or three months. The three of us went to buy it together. At that time, he also said that he wanted to try this knife to see if it was fast."

"Then what did you say?"

"I didn't... say anything."

Yu Ye stood up abruptly and leaned over, his sharp gaze was directly in Liu Chao's eyes, and he said word by word: "You're not telling the truth, are you?"

Liu Chao’s back felt cold, he subconsciously moved his chair back, and rolled his eyes, “I remember, I was in the public restroom, and I asked Crazy Liu to test the speed of the knife, Team Yu, that was a joke, we didn’t Really ask Liu Qin to test the knife."

Yu Ye snorted, sat back down again, picked up one of the knives, "the blood of Liu Qin and Wu Sheng is on the blade." He picked up another knife, "this has Zhang Xilai's blood on it. Two knives They were all dug out from under Zhang Qi's bed, and there were his fingerprints, the evidence is solid."

Liu Chao stared at the knife and was speechless. After a while, he murmured in a low voice: "It's impossible for the second brother to kill people without telling me. He talks about killing people every day. In fact, he is the one who counsels me. He will be the first to rush out in a fight and kill people." I don't think he dares."

"Then whose knife is it, He Yunting?"

"The third child is a gourd, let alone him. Besides, why would he kill people for no reason? It's impossible to avenge me. Every time we have the urge to kill Liu Qin, he says it's not worth dying for a lunatic, Zhang Xilai Not to mention, we didn't stop him that night, we went straight back to the square to deal with Zhang Xilai after we got out of the hospital."

The interrogator at the side said: "The two of them are not the murderers, you are the only one left."

Chao Liu stood up anxiously and slapped his thigh, "You two police officers, this is really wronged. I hate Liu Qin. It's true that Zhang Xilai cracked my head open. It's true that I wanted to beat him, but I didn't do it! "

"The knife was found under Zhang Qi's bed. The blood on it matches the victim's. This means that the murderer is among you. If you keep not telling the truth to the police, I will apply to the leader for an extension of the interrogation time." Yu Ye said.

Liu Chao raised his head and patted his forehead, "How could it be among us?" After speaking, he withdrew his hand and sat upright, looking at the rest of the field, "No, they both play games every night, and they don't have time to kill people. You can use your mobile phone to check the game Record."

outside the interrogation room.

Wu Fei bit his finger lightly, thinking thoughtfully, "I checked with the technical team, the game accounts of Zhang Qi and He Yunting were indeed online at the time of the two incidents, they were playing games and killing people, their hands were too busy Not coming?"

The words of Liu Chao and Wu Fei woke up Wu Yuzhou.

A game master, being abused by a rookie twice in a row, is it really to make Zhang Qi happy?

If it was to humble Zhang Qi, why didn't the water be released usually, but the water was released in the two days when the case happened?

Wu Yuzhou figured it all out in an instant, but he didn't say anything, and still looked at the interrogation room quietly. When Liu Chao spoke, he spread his hands and looked at Yu Ye all the time, without evading or dodging. He slapped his thigh twice, never From the perspective of behavioral psychology, these micro-movements show that his attitude is frank. Secondly, Yu Ye is extremely strict today, and the sense of majesty is always in front of Liu Chao. With his bullying character, he will inevitably be afraid when he meets the strong. If he tells a lie, his behavior should be It has been shown, but now there is no further confirmation that Liu Chao did not know.

Wu Yuzhou turned his head to the headset and said, "The murderer is not him, don't waste time."

Yu Ye came out of the interrogation room, walked to the observation area, unscrewed the water on the table, raised his head and took a big sip, "I also don't think it's Liu Chao, his attitude is quite sincere today, and with his personality, he can't act so realistically." play."

"Excluding Liu Chao, the murderer is between Zhang Qi and He Yunting." Wu Fei picked up the two knives in the evidence bag and looked at them.

Inadvertently, Yu Ye also looked at the murder weapon. Why did the murderer use two knives?

"Something's wrong, there's a problem with the murder weapon."

Wu Yuzhou also looked at the knife in Wu Fei's hand when he heard the sound.

Wu Fei: "The width and length of this knife match the murder weapon speculated by the forensic doctor, and there are bloodstains of the victim on it. What's the problem? Boss."

"Zhang Qi only bought one knife. Where did the other knife come from? The more murder weapons there are, the greater the risk of being discovered. Let alone killing three people, even four or five people, one knife is enough.

Also, he left no trace at the scene of the crime, and even used a Sprite can to divert the attention of the police. The murderer has a certain awareness of anti-reconnaissance. Why didn't such a person wash off the blood on the knife? "

Wu Fei opened his mouth wide and slowly closed it, "That's right, isn't this waiting to be caught by the police?"

Wu Yuzhou: "The two knives are because the blood will solidify in about 4 to 12 minutes after leaving the human body. If he wants to stain the knife with blood without destroying the original fingerprints, he must finish it in 4 to 12 minutes.

From Liu Qin's house to Zhang Qi's apartment, if he walked briskly for about 5 minutes, he would have to stain Zhang Qi's knife with blood in the rest of the time. "

Wu Fei: "Zhang Qi hasn't left the room since early morning, how did the murderer enter his room and stain the knife with blood?"

Yu Ye: "Go and ask Zhang Qi again, even if you go to the bathroom to drink saliva."

Wu Fei ran away in a hurry, and after a while, he came back in a hurry, pinching his waist with his hands, panting and said: "Zhang Qi has a habit of going to the toilet before going to bed, and the apartment he lives in is the cheapest one. There is no toilet, so if you want to go to the toilet, you can only go to the public toilet on the first floor, and it takes about three to five minutes to go back and forth.”

Wu Yuzhou: "Three or four minutes is enough for the murderer to enter the room and stain the knife with blood. With Zhang Qi's carefree personality, he will definitely not take out the knife to take a look before going to bed. When Zhang Qi is not in the room the next day, the murderer will find another opportunity to sneak in." In his room, wrap the first knife in a cloth and hide it under the bed."

Wu Fei frowned and thought for a while, "Why didn't he just hide the murder weapon under Zhang Qi's bed? Isn't that faster?"

Yu Ye squeezed the mineral water bottle hard, and when he loosened his hand, the bottle "popped" back to its original shape. "There must be Zhang Qi's fingerprints on the handle, and no other people's fingerprints can be mixed in. As long as the murderer holds the knife, the fingerprints on it will be destroyed." It is broken, and when we bring it back for inspection, the inspectors will definitely find this out. The reason the murderer is so troublesome is to avoid touching the handle of the knife and reduce the chance of being discovered by us.

Wrapping the knife with cloth can be done without touching the knife. After we find the murder weapon, our eyes must be focused on the knife, and we will be negligent about the cloth. "

Wu Fei: "I understand, because the blood coagulation time is very short, so the murderer has no choice but to put the blood of three people on the same knife at the same time."

Wu Yuzhou: "Yes, after the murderer hid the first knife, he took a new identical knife and put it in Zhang Qi's usual drawer. The murderer knew Zhang Qi's living habits, so he used the same knife after committing the second crime. The way, the second knife was stained with blood."

Wu Fei: "The second knife is new and has no fingerprints on it. What if Zhang Qi never touches the knife?"

Wu Yuzhou: "It's easy for the murderer to want Zhang Qi to touch the knife. They have a good relationship, and Zhang Qi likes to talk about it. By the way, Brother Qi, where is your newly bought knife? Zhang Qi will turn it out and play with it to show off. "

Wu Fei: "I'll call Brother Lin and tell them not to go to Zhang Qi's adoptive father's house."

Yu Ye: "Don't call, bring it here to further verify our inference. If Zhang Qi's attitude towards her adoptive father is similar to what we think, then it can be concluded that the murderer is He Yunting. If not, it needs further discussion."

Lin Jie drove to Zhang's house at the fastest speed, and brought back Zhang Qi's adoptive father. He didn't say much on the way, and took him directly to the interrogation room where Zhang Qi was.

Wu Fei and Cheng Xiaolu followed in, and the three of Yu Ye watched from the observation area. Lin Jie said, "Old man Zhang's family was poor and short, and he couldn't find a wife when he was young. , accidentally picked up an abandoned baby on the side of the road, he was very happy, and has been treating Zhang Qi as his own child all these years.

Old man Zhang’s family is poor and has never been to school, and he doesn’t know a single word. His greatest wish in this life is to hope that Zhang Qi can be admitted to a university. , Fighting everywhere, gave him all the best things in the family, still not satisfied, often complaining.

When he was disobedient and beat him twice when he was young, old man Zhang could still control him. As Zhang Qi grew up, when he was fourteen or fifteen, Zhang Qi was taller than old man Zhang.

He couldn't beat him, he couldn't listen to the scolding, and when he was in a hurry, Zhang Qi even copied the guy and beat him up. Later, Zhang Qi became more and more courageous, coupled with rebellious adolescence, he became more and more disgusted with the old man Zhang, and one day he didn't go home after school. The next day, old man Zhang hurried to the school to look for him. Only when he got there did he find out that he didn't go to class, and none of his classmates knew where he was, so he just disappeared.

In the past two years, the old man Zhang has been looking for Zhang Qi frequently. The neighbors said that Zhang Qi would not come back after looking for his biological parents, so he gave up looking. "

Lin Jie silently lit a cigarette, and Yu Ye's eyes also became sad. A lonely old man pinned all his hopes on his adopted son, but the child hurt him so much. can understand.

The more cases he investigated, the more suffering he saw. There were some particularly sad things that even the old criminal policeman would be moved by, but Wu Yuzhou was always calm, as if he hadn't heard anything about the old man Zhang.

Yu Ye couldn't help thinking, what had he experienced to be so calm?

Interrogation room.

When Zhang Qi saw old man Zhang, he immediately jumped off his chair and shouted, "What are you doing here?"

After not seeing his son for two years, the old man Zhang had a layer of moisture in front of his eyes, and he reached out to touch Zhang Qi.

Zhang Qi twisted his body and avoided it.

"It's only been two years, and Qiqi has grown so tall."

Zhang Qi rolled his eyes at him, "I'm already tall, who is as short as you?"

"Seeing that you haven't been hungry or cold in the past two years, and you've grown so tall, Dad is relieved."

"Don't be so hypocritical. You didn't force me to study at that time, so I would be homeless? I'm no longer your son, so get out."

Wu Fei couldn't stand it anymore, and shouted: "Don't forget who raised you up so much, without him, you would have starved to death by the side of the road."

Only then did Zhang Qi calm down, and sat back down again, "Why did you find him here?"

Old man Zhang: "The police told me that as long as you explain it well, everything still has a chance."

Zhang Qi slammed his hand on the table and stood up, "He started preaching again, I hate you preaching every day, the family is so poor, you are still in college, go dreaming."

"I'm sorry, Dad can't give you the life you want. I know you won't come home with me, or even see me again. This time, I brought all the things you left home."

The old man Zhang bent down to pick up the bag by his leg, unzipped it, and took things out one by one from the inside. There were rattles played by children, wooden cars, glass marbles, and some yellowed cards and comic books. .

"These are all your favorites when you were young, keep them as souvenirs." Finally he took out a bag of old-fashioned cakes, "You liked this cake very much when you were young and often begged me to buy it for you. Satisfy you, Dad bought it this time, you stay to eat."

Zhang Qi took the rattle and shook it in his hand, the rattle made a thumping sound, and his rage dissipated little by little amidst the playful sound of the drum.

The old things brought him back to the distant time long, long ago. He rode on the neck of old man Zhang, pulled his hair, and shouted to run fast.

The wooden car was made by old man Zhang. Sometimes when old man Zhang was working in the field, he would use the wooden car to load soil in the field. When he was tired of playing, he would lie down in the grass to catch bugs and frogs... In those distant times, a All back in an instant.

While old man Zhang imposed his own hopes on him, he also gave him the best of himself. Before Zhang Qi was in puberty, they also had a happy time.

Zhang Qi's tense shoulders were slowly lowered, and he slowly sat back on the chair.

No one spoke in the interrogation room, only the sound of rattle drums and the impact of glass marbles. Among these sounds that had nothing to do with the interrogation, a tear flowed from Zhang Qi's eyes and fell onto the round glass marbles.

Yu Ye and the others found the desired result, which further strengthened their previous inference.

Liu Qin and Zhang Xilai's obsession with finding a child is in stark contrast to He Yunting's parents giving up on finding a child. He Yunting saw it and was jealous, so he became murderous and vented all the long-standing resentment on Zhang Xilai and Liu Qin body.

The motive for committing the crime is known, and the process of committing the crime can also be deduced, but where is the evidence?

Cheng Xiaolu lowered her head and quietly fiddled with her mobile phone under the table. From the corner of her eye, she looked at everyone's faces from time to time, and locked on to the murderer, but there was no evidence. It was a very troublesome thing. Even a novice knew that the situation was not good, so she dared not show her anger. a mouthful.

Yu Ye tapped the table with his index finger, making a crisp and subtle sound, breaking the silence of the conference room, "He can enter and leave Zhang Qi's room at will, so he must have the key. Apply for a search warrant to search his house."

"Boss, when the search warrant is approved, the cucumber dishes will be cold." Wu Fei said.

Yu Ye was so busy that he forgot to go through the process of applying for a search warrant, "You take someone to search now."

"Without a search warrant, I... I'm worried..."

Yu Ye tapped the watch on his wrist, "There are still three hours, we have to release him if we can't produce evidence, we can't deal with that much in an emergency, you go search immediately, I will take care of the accident."

Half an hour after Wu Fei left, Yu Ye received a call from him. In He Yunting's rental house, no extra keys were found, let alone the actual murder weapon.

The meeting room was quiet again, with two and a half hours left, Yu Ye closed his eyes and rubbed the center of his brows.

"At present, it is difficult to make a breakthrough in terms of physical evidence. You can try to find a breakthrough in the emotional aspect first. He is jealous of Liu Qin and Zhang Xilai's obsession with finding children, and envies those parents who care about their children, which shows that he thinks in his heart that the Liu family has forgotten him long ago. , and he didn't want to see them, which is why he told Liu's mother that Zhang Qi had a knife not long after he met Liu's mother.

Now I can only use his escaped emotions to stimulate him and see if he will say more. "Wu Yuzhou's steady tone broke the silence again.

Working together these days, Yu Ye found that Wu Yuzhou's judgment was very accurate, and he believed in him. He immediately arranged for the police to pick up people from Liu's house, and Liu Yunwen was the first to pick them up.

When Liu Yunwen heard the news that her brother had been found, she was in a daze. It was not until she went to the police station to meet Wu Yuzhou that she calmed down a bit, "You really found my brother?"

"Well, your mother has already seen him." Wu Yuzhou said.

"Why didn't you go home and let me come to the police station?" Liu Yunwen was wearing a middle school uniform, and looked at Wu Yuzhou with big eyes in a daze.

Wu Yuzhou thought for a while and took her to the corridor, and after a while of thinking about his language, he told her the whole thing in a tactful manner.

"My brother is a murderer? Does my mother know?"

Wu Yuzhou shook his head and said nothing.

"How many people were killed? Will his sentence be commuted before he turns 18 this year?"

"Three people, I don't know how to judge them."

Liu Yunwen made a long sound. Her brother, who had been missed by her family for more than ten years, suddenly returned and became a murderer. After a little bit of relief, I first thought of my parents and grandma. They must be very happy to find my brother, but my brother has become a murderer. Can my mother and grandma bear the gap between heaven and hell?Thinking of this, she frowned slightly.

Wu Yuzhou looked at the little girl's sad appearance and said, "I will try my best to let them accept the matter of your family. Now there is a more important matter that needs your help."

Liu Yunwen raised her eyes to meet him, "What... can I do?"

"You don't need to do anything special, just go in and tell him the truth about your family's situation over the years."

"Does this help your case?"

"Well, it's very important to cause his mood swings."

"He's my brother... Am I hurting him by doing this?" Liu Yunwen hesitated.

"Family and justice, I have no right to interfere with your choice. If you have made up your mind, you can go directly to the interrogation room later. If you want to leave, you can go downstairs." Wu Yuzhou left in a hurry after speaking, giving Liu Yunwen enough time to think.

The author has something to say: Feizhang will close the case tomorrow.

The next book will be a criminal investigation article in the "Unsolved Case Tracking" unit. The emotional line will be easier than this one. Please bookmark it.

Copywriter:

The office of the unsolved case team is in the most hidden corner of the city bureau office building. The cases it takes are all old cases and unsolved cases in various places. It's okay if the case is difficult to solve, and there is a difficult team leader Lin Anbai.

It has been unable to recruit people, and there are only three members of the unsolved case team. One day, a sunny and handsome new policeman suddenly arrives. He illuminates the lifeless unresolved case team like a ray of light, but behind the light are unstoppable nightmares and A little-known secret...

It is well known that Lin An Bai Diao Erlang can't get in, and the most annoying thing is that someone disturbs his sleep.

On the first day Ji Chuan joined the unsolved case team, he shook the sleeping Lin Anbai directly, "Wake up, Team Lin, it's working time."

Lin Anbai stood up, furious.

later.

Ji Chuan: Team Lin has woken up.

Lin Anbai: Come here and kiss me, then get up.

Also known as "I Have a Boyfriend Who Gets Out of Wake Up", "Hundred Ways to Wake Your Boyfriend Up", "Ji Chuan Treats All Kinds of Get Up Qi"