At 10:30 in the evening, Yu Hanjiang and Xiao Lou came to the scene of the crime together.
The local police had sent people to cordon off the scene. They only allowed Yu Hanjiang to enter after Yu Hanjiang showed his police officer ID. The town belongs to a lower-level unit of Binzhou City. The criminal police at the scene heard that Yu Hanjiang, the captain of the Binzhou City Criminal Police Team, actually came in person.
Everyone was shocked. They didn't expect that a murder in a small town would alert top bosses.
Li Xinyang, the young criminal policeman in charge of investigating the case, immediately came up to him and said respectfully, "Captain Yu, why did you come here in person?" He glanced at Xiao Lou, who smiled and stretched out his hand, "Hello, Captain Li, I am from the Binzhou Forensic Identification Center."
Xiao Lou.”
The other party said politely, "It turns out to be Professor Xiao, who is also here with Captain Yu."
Yu Hanjiang simply explained, "We happened to come over today to investigate the case. The deceased, Xu Kai, is related to a murder case that our city's criminal police team is investigating. Xiao Li, please sort out the details of the deceased and hand over the case to me."
Li Xinyang nodded, "Okay Captain Yu, you go to the scene first and see that this scene is a bit weird."
Yu Hanjiang put on his gloves and simply followed Li Xinyang upstairs.
Yu Hanjiang and Xiao Lou followed Captain Li into the crime scene. They unexpectedly discovered that Xu Kai's death scene was very similar to Lin Yiyan's death scene.
However, Xu Kai was probably murdered while he was taking a shower, without any clothes on.
He was lying in the bathtub, his eyes widening in horror. His whole body was covered with knife cuts. Moreover, he was also surrounded by ice cubes. However, the heating was on in Xu Kai's room, so some of the
The ice cubes have melted.
The water formed by the melted ice cubes was mixed with the blood of the deceased, and the entire bathtub water turned blood red. Xu Kai was lying in this pool of blood, refusing to close his eyes. This scene was really shocking.
Li Xinyang said, "We have just arrived at the scene. It was Xu Kai's cousin Zhang Xiaoyu who reported the case."
He shifted his gaze to the side and pointed to Yu Hanjiang where Zhang Xiaoyu was.
This Zhang Xiaoyu is the manager of the "Whale Internet Cafe". Yu Hanjiang and Xiao Lou met him today. At this time, he was holding his head and sitting on the bed next to him shivering. After Yu Hanjiang saw him, he made a gesture towards Xiao Lou
With a wink, he whispered in Xiao Lou's ear, "You can do the autopsy first, and I'll go find the person who reported the crime and ask about the situation."
Xiao Lou nodded, put on his gloves, leaned over and began to examine the body.
In the bloody bathtub, the body was already a little swollen from being soaked. This time, the murderer was still very meticulous after committing the crime. The blood on the surrounding walls was wiped clean, and there was no trace of blood splashing. All the blood flowed into the bathtub.
inside.
Xiao Lou opened the water valve under the bathtub, drained most of the blood and exposed the body, and then began to examine it carefully. Next to him, the town's forensic doctor consciously handed him the toolbox. Some young
The trainee detective probably had never seen such a disgusting scene, so he ran downstairs to vomit, and was given a fierce look by Li Xinyang.
Xiao Lou suddenly said, "Give me a pair of tweezers."
The forensic doctor next to him acted as his assistant and immediately handed him clean tweezers.
Xiao Lou took out a long hair from the bathtub and put it into a sterile sealed bag for preservation. He couldn't tell yet whether the long hair was left by the murderer, but the evidence found at the scene must be taken back for careful examination.
.
There weren't many clues on the deceased's body. The killing method was similar to Lin Yiyan's case. The fatal injuries were all in the heart, but the wounds were different from Lin Yiyan's. Xiao Lou lifted the deceased's body up and checked his body.
Behind the scenes, my heart became clear.
The deceased's fatal wound was in the heart, just like Lin Yiyan's. However, Lin Yiyan's wound was penetrated from the front, while Xu Kai's wound was penetrated from the back. Therefore, the wound would be wider on the back and wider on the front.
A relatively narrow phenomenon.
Xiao Lou carefully examined the body. Yu Hanjiang walked around the scene, came to the reporter Zhang Xiaoyu, and asked, "At what time did you come to your cousin's house and find his body?"
Zhang Xiaoyu trembled and said, "Ten, ten o'clock in the evening."
Yu Hanjiang asked, "Have you had any contact with your cousin after two o'clock this afternoon?"
Zhang Xiaoyu nodded, "At around six o'clock in the evening, I called him, but he didn't answer. I thought he went to the KTV club again to find his lover, so I ignored him."
Yu Hanjiang: "Then why did you suddenly come to him at ten o'clock in the evening?"
Zhang Xiaoyu said, "I want to borrow some money from him. Money is tight recently, so I want to come to his house to try my luck."
Yu Hanjiang asked sharply, "He was already dead at that time, how did you get in?"
Zhang Xiaoyu hurriedly explained, "I have the key to his house, because my brother sometimes goes out to discuss business, and no one takes care of the fish and flowers raised at home. I live nearby, so he gave me the key.
Let me take some time to look after him."
Yu Hanjiang nodded and said, "Did you see any suspicious people or vehicles in the community when you came in?"
Zhang Xiaoyu thought about it carefully, shook his head and said, "No, I, I didn't pay attention."
This cousin never dared to look into Yu Hanjiang's eyes when he answered the question. He looked panicked and his eyes darted from side to side. He was obviously guilty. He might have been hiding something, but Yu Hanjiang did not think that he was directly related to the murder of Xu Kai.
After interrogating Zhang Xiaoyu, Yu Hanjiang returned to Xiao Lou and asked in a low voice, "How was the autopsy result?"
Xiao Lou said, "The deceased's fatal wound was still in the heart. A sharp long knife pierced his heart directly. Judging from the traces of the wound, the murder weapon should be the same as the long knife that killed Lin Yiyan. Others on his body
The knife marks should be left after death."
Yu Hanjiang frowned, "That is to say, after the murderer killed him, he was whipped to death."
Xiao Lou nodded, "Same as the Lin Yiyan case."
He lifted the head of the corpse, carefully checked the pupils and the spots on the body, and said, "Judging from the spots and the degree of muscle stiffness, the time of death should be about 6 hours."
Yu Hanjiang looked at the clock on the wall in the bedroom.
The current time is 22:35, and the time of death is about four hours. In other words, Xu Kai's death time should be around 16:30 in the afternoon. The time when Yu Hanjiang and Xiao Lou left Xu Kai's house was exactly 4:30.
Realizing this, both of them felt horrified
In other words, as soon as the two of them left, Xu Kai was brutally killed by the murderer in the bathroom.
Yu Hanjiang took a deep breath, lowered his voice and said in Xiao Lou's ear, "When we interrogated Xu Kai, it was very likely that the murderer had already sneaked into Xu Kai's residence and was ready to murder Xu Kai. However, she was hiding in
In the corner, we couldn't find it."
Xu Kai's villa has a basement, the living room, dining room and garden on the first floor, the master bedroom and study room on the second floor, several guest bedrooms on the third floor, and a rooftop on the fourth floor.
It is indeed difficult to find a person hiding in such a large villa without searching carefully.
When Yu Hanjiang and Xiao Lou came to investigate him, because the current suspect Qiao Xuening was filming at the Binzhou Film City, with Qu Wanyue and other teammates staring at her, neither of them expected that the murderer would commit another crime and come to murder Xu in advance.
Kai. Therefore, they did not conduct a detailed search of Xu Kai's residence at that time.
What's more, searching residents' homes requires a "search warrant" approved by superiors.
For example, Zhou Yuanyuan had a very strong motive for committing the crime and could only be searched after she was identified as a criminal suspect.
Xu Kai is only an insider in Lin Yiyan's case, not a criminal suspect. The search warrant will not be easily approved. Even if Yu Hanjiang is a police officer, he cannot search people's homes at will.
At that time, the murderer was probably hiding in Xu Kai's house, and he might have heard Yu Hanjiang's questioning of Xu Kai.
I still remember that when the two came to Xu Kai's house, Xu Kai had just woken up. He should have been awakened by Yu Hanjiang's continuous ringing of the doorbell. He walked directly from the bedroom to the living room, his eyes were sleepy, and his hair was in a bird's nest. It was obvious at that time
Didn't wash up.
It can be imagined that after Yu Hanjiang and Xiao Lou left, the first thing Xu Kai had to do was take a shower.
His cousin Zhang Xiaoyu once mentioned that he came home drunk last night. It is normal for hungover people to take a bath in the bathtub to sober up. He walked into the bathroom and took off his sleeping clothes.
Put on your robe and prepare to put water in for bathing.
Unexpectedly, at this moment, the murderer who had been hiding in the villa suddenly took out a sharp long knife and stabbed him through the heart.
Xiao Lou pointed at the corpse and said, "The difference from the Lin Yiyan case is that this time, Xu Kai's heart wound was stabbed from behind. The murderer sneaked up on him from behind and killed him with one blow."
Yu Hanjiang nodded, "After all, the murderer is probably a woman. If she fights a tall and strong man like Xu Kai head-on, she may not be able to take advantage. At that time, Xu Kai took off his clothes and was about to put the water in to take a bath. At this time, he was in high spirits
He should be more relaxed and it would be difficult for Xu Kai to defend against a sneak attack from behind."
After all, no one would have thought that there was someone hiding in their bathroom.
No wonder Xu Kai's eyes were as wide as copper bells, and his eyeballs almost fell out. Apparently, he was just about to step into the bathtub when he was stabbed from behind. Looking at the sharp tip of the knife that pierced his chest, he was sure
It was extremely shocking.
Captain Li listened carefully to the conversation between the two, with a confused look on his face.
Yu Hanjiang suddenly asked, "Do you have any luminol?"
Li Xinyang immediately said, "Bring it, Xiao Qi, go get it and give it to Captain Yu."
A young police officer immediately walked over and brought luminol and handed it into Yu Hanjiang's hands. Yu Hanjiang opened the device and carefully surveyed the scene. Although the murderer had already cleaned up the blood stains, the component of luminol, luminol, could show blood stains.
Even if the blood stains are wiped and cleaned up by the murderer, the heme in the blood will still remain. When the luminol reagent is sprayed on the heme, it will oxidize with the reactive oxygen species and release blue-violet fluorescence.
Yu Hanjiang sprayed it once in the bathroom, and soon a large number of traces of blue-purple fluorescence appeared on the walls and floor.
Xiao Lou looked at the most fluorescent part, walked to this position and said, "Xu Kai was stabbed in the back by the murderer here. His blood spattered on the wall. Xu Kai struggled for a moment and died soon. Then, the murderer cut his
The body was moved into the bathtub, surrounded by ice, and whipped."
Li Xinyang's spine felt hairy when he heard this, "What a hatred this is."
Yu Hanjiang said, "The murderer in this case has a twisted psychology. Moreover, she is very smart and can sneak into the target's home in advance and kill the target unexpectedly. I guess she may have learned the skills of unlocking, otherwise it would be difficult to explain
How did she lurk in Lin Yiyan's house and Xu Kai's house in succession?"
The mysterious person sneaks into the target's home and stabs him to death while he is taking a shower.
This murderer is as good as a professional killer
Chapter 275, real and fake substitutes
Yu Hanjiang and Xiao Lou came to the following conclusions after conducting autopsies.
First, the time the murderer committed the crime was determined to be around 4:30 in the afternoon. She committed the crime immediately after they left. She was probably afraid of being caught by the police after a long night of sleep. She must have driven away after committing the crime. She currently needs to find the property management of the community to check the vehicles at the door.
Access control.
Second, the murderer had a special liking for ice and buried the body with ice at the crime scene. This seemed to have a strange meaning, much like a "curse". She killed Lin Yiyan and
Xu Kai, and he vented his anger after killing someone and whipped the corpse. Currently, the person who is most suspected of his motive is Qiao Xuening.
However, which one is the real Qiao Xuening? Yu Hanjiang and Xiao Lou looked at each other, feeling a little confused.
Yu Hanjiang said solemnly, "Search the entire villa. I don't believe she won't leave any clues."
The two searched from the basement to the attic on the balcony, collected all the fingerprints and hair found in the villa, and also found a plum blossom-shaped earring in the attic. These were all sealed by Xiao Lou in sterile bags and brought back.
That night, Xiao Lou temporarily borrowed the town's forensic identification center to identify the evidence collected at the scene, while Yu Hanjiang went to the property owner to check the surveillance in detail.
The two worked separately until they met at the police station at three in the morning.
Xiao Lou compiled all the identification results and showed them to Yu Hanjiang: "The long hair found in the bathtub, after comparing it with the gene bank, belongs to a girl named Lin Dandan."
Li Xinyang said, "I know this Lin Dandan. She is a girl who works as a bartender at KTV in our small town. She is very beautiful and has long hair. She must have dated Xu Kai for a while."
Xiao Lou then asked, "What about Liu Qi and Yue Qingqing?"
Li Xinyang said, "They are all Xu Kai's girlfriends."
He rubbed his temples with a wry smile, and introduced Xu Kai's situation in the past few years to the two of them in detail. According to Li Xinyang, Xu Kai is still unmarried, and he is quite handsome in his thirties. In addition, he works in Internet cafes and
The big bosses of the two hot pot restaurants are extremely rich and have become like "local snakes" in this small town.
Xu Kai is considered a single diamond king, and girls have to queue up to chase him. He basically changes his girlfriend every half a year, and will give girls a lot of money when they break up. So although his private life is chaotic, there should be no girls because
Break up with him and kill him.
Li Xinyang said, "Xu Kai's reputation is not very good, but he is quite generous in dealing with lovers. Many people in our town know that when he breaks up with his girlfriend, he will give him enough money, and the other party will also give him enough money."
Just take the money and leave. Professor Xiao, the three you mentioned just now are all his girlfriends he has dated in the past year."
Xiao Lou said, "It seems that my guess is correct. The hair and fingerprints found from the basement, kitchen, and bathtub are all left by Xu Kai's girlfriends. Obviously, he will take his girlfriend home to spend the night."
Yu Hanjiang frowned slightly, "It wasn't these people who killed him."
Li Xinyang was startled and said, "Captain Yu, how can you be sure?"
Yu Hanjiang said, "He is related to the murder case we are investigating. The ice cubes at the crime scene are exactly the same, the killing methods are the same, and even the murder weapons are the same. Therefore, this must be a serial murder case caused by the same murderer. In your town
These girls who have dated him don't have much suspicion. Call them all over tomorrow for interrogation. If they can prove their alibi, let them all go."
Li Xinyang breathed a sigh of relief and said, "Okay."
Yu Hanjiang patted the young captain on the shoulder, "Thank you for your hard work. Let's go back first. We'll talk about it after dawn."
After coming out of the police force, Yu Hanjiang and Xiao Lou drove back to the hotel together.
It was already four o'clock in the morning when he returned to the room. Yu Hanjiang pinched his eyebrows and said to Xiao Lou, "I have watched all the surveillance videos of the community. Between four o'clock in the afternoon and ten o'clock in the evening, there were a total of thirty vehicles entering and exiting the community. The license plate numbers are
I have recorded everything. In addition, I have not found anyone suspicious similar to Qiao Xuening."
Xiao Lou said, "Let's sleep for a while. We will go to the traffic police team to check tomorrow."
The two of them went to bed separately and only slept for a few hours before getting up.
At seven o'clock the next morning, Yu Hanjiang first called Qu Wanyue and warned, "Qiao Xuening must keep an eye on her and don't let her escape. When Xiao Lou and I come back, we will have a way to find out her details."
Qu Wanyue said, "Don't worry, I will find an excuse to tutor her in dance moves and stay with her all day long to watch her filming."
Yu Hanjiang hung up the phone and went to the traffic police team with Xiao Lou to check the car owner's information.
After four o'clock yesterday afternoon, none of the vehicles leaving the villa area was suspicious. All the car owners could be found. They were all residents of this small town. Li Xinyang, the town's criminal police captain, also checked and found them.
information.
Some go to the supermarket to buy groceries, and some go to eat with their families
There were even other people in all the cars who could prove that the driver of none of the cars drove away alone.
Yu Hanjiang frowned thoughtfully, "She didn't drive. It seems she was very cautious. She was afraid that if we checked the license plate number, we would find out her real information. It is possible that she left the villa area on foot."
Xiao Lou agreed, "In the case of Lin Yiyan, she drove Lin Yiyan's car and her own vehicle could not be found. This time, she did not drive at all. If she left on foot, there was only one exit in the community, so she should be able to take pictures
She is right."
Yu Hanjiang said, "But among the people who came in and out of the community yesterday afternoon, there was no one like Lin Yiyan."
Xiao Lou thought about it carefully and said, "Could she have escaped by climbing over the wall?"
Yu Hanjiang nodded, "It's possible. Although the wall in the villa area is relatively high, if she can climb trees, there are many places where she can climb out of the wall. I have asked the property management company to monitor all locations in my community. Let's continue to check today.
"
Yu Hanjiang and Xiao Lou went to the police force together.
Li Xinyang invited Xu Kai's previous girlfriends over early in the morning.
All three of them have sufficient alibi. Some were singing with others at KTV, some had their hair permed in the barber shop yesterday afternoon, and the third went shopping with three girlfriends yesterday afternoon. All of them can be confirmed.
After Li Xinyang briefly took notes, he released the three of them.
When Yu Hanjiang and Xiao Lou came over, he told Captain Yu about the result. Yu Hanjiang had expected it, so he was not disappointed. After all, the Xu Kai case and the Lin Yiyan case were serial cases, and the hair of the girlfriends found in the villa was not at all
It will not be able to provide any help to the progress of the case.
Xiao Lou said with some regret, "The hair and fingerprints found seem to be interference items."
Yu Hanjiang frowned and said, "The murderer has experience in committing crimes. She may have been wrapped tightly and wore gloves, so she would not have left any information that can be used to verify fingerprints and genes. Those ice cubes of hers should have been made on site.
."
Obviously, the murderer sneaked into Xu Kai's room in advance, made a lot of ice cubes in the freezer layer of his refrigerator while Xu Kai was sleeping, and then unexpectedly killed Xu Kai, buried his body with ice cubes, and took away the contents of the refrigerator
container.
In this way, the ice cubes in Lin Yiyan's case can also be explained. The murderer also lurked in Lin Yiyan's home in advance and used her refrigerator to make a lot of ice cubes on the spot. After killing Lin Yiyan, she also brought
The box in which the ice cubes were made was taken away, causing the police to question the source of the ice cubes.
Yu Hanjiang said, "Let's check the surveillance first."
Captain Li Xinyang also took the initiative to help, calling his colleagues to open the surveillance video of the entire villa community of the property. Each person was responsible for an area to check the surveillance in detail.
Everyone has been busy all day
However, no one was found to have climbed out of the community wall.
Li Xinyang looked confused, "He didn't drive away or climb the wall. Could it be that the murderer could fly or burrow into the ground?"
Xiao Lou also looked at Yu Hanjiang with confusion. "The same goes for Lin Yiyan's case. We checked the surveillance of those days from beginning to end. No suspicious vehicles entered. Unless she airborne or drilled into the community from the ground, what should we do?"
Explanation?"
In the case of Lin Yiyan, since Lin Yiyan rarely returned to Yuehu Villa, if the murderer had sneaked in half a month ago, it would have been difficult for surveillance to detect it. The murderer drove Lin Yiyan's car when he left.
But the Xu Kai case is different.
Xu Kai goes home every day. It is impossible for the murderer to hide in his house for too long. At most, it was when he went out to drink last night. The murderer sneaked into the villa. He made all preparations to kill Xu Kai and left today. It will not exceed 24 hours.
Monitoring is very convenient for investigation.
However, there was no trace of the murderer entering or exiting the community during surveillance.
How did the murderer enter the villa complex where Xu Kai lived and how did he leave?
Could the murderer really be able to fly?
This is not a martial arts script. The murderer will not be able to fly away easily.
Xiao Louzheng was puzzled, and suddenly heard Yu Hanjiang say, "I'm afraid, we have fallen into a misunderstanding from the beginning."
Xiao Lou looked at him doubtfully, "What Captain Yu means?"
Yu Hanjiang said, "The murderer didn't hide. She walked in openly and walked out openly."
Xiao Lou was very surprised.
"Plastic surgery." Yu Hanjiang looked at Xiao Lou and whispered, "Since someone has plastic surgery to look like Qiao Xuening, then Qiao Xuening may also have plastic surgery to look like someone else."
Therefore, Qiao Xuening was not found in the surveillance.