Serious Crime Unit 1

Chapter 298 Special Shoe Print (4)
"Why is the murderer not afraid of leaving shoe prints on the scene, but is afraid of leaving fingerprints on the scene?" Jiang Yiming feels that the case is not that simple. People who know how to accurately stab the lungs should have certain medical knowledge, because once the deceased is stabbed, If it was stabbed in the lungs, it would be impossible to scream for help and would not alert the neighbors. After all, there were people living above and below the Liu family, so the murderer would definitely have some scruples.

"Maybe the murderer has a criminal record. Once the fingerprints are left, we can identify the murderer from the fingerprint database." Xiaoke said.

"Well, that should be the case. How did the murderer enter the scene?"

"It should have been opened with a master key. After killing Liu Jiahe, the murderer turned off the lights and the door and slipped away. The murderer should have a criminal record, otherwise he would not be so bold and calm. The murderer did not walk out of the scene very quickly. The average murderer After killing someone, they would panic and take long steps to flee the scene, but he didn't," Lu Yingying said.

"Luo Jin, what is a sharp weapon?" Jiang Yiming turned to ask Luo Jin.

"After I made a mold of the wound, I compared it with the weapon library. The result was a double-edged spring dagger, which is a commonly used weapon in homicide cases because the spring knife is easy to carry and difficult to detect. Its shape The size is very similar to the dagger used by Fang Song (the deceased in "Crime Unit 1: Love")."

"It's a pity that the murder weapon was taken away from the scene, otherwise the murderer's DNA could be found from it... Were any test materials such as sweat, hair, and blood stains found at the scene?" Jiang Yiming asked Wu Jiang.

"No, the scene is very clean except for shoe prints. Therefore, I judge that the murderer has a criminal record. Looking for people wearing size 43 Nike sneakers is the best direction for investigation."

"Old Wu is right, the case will be opened for investigation from today, and this vicious murderer will be arrested and brought to justice!" After Jiang Yiming finished speaking, he began to divide the work and the investigation work began.

4
Lu Yingying tried to call Liu Jiahe's mobile phone, but failed to get through. This was expected by her. No thief would use the stolen mobile phone to talk to people after stealing it, because it can be easily found by the police through GPS positioning. , unless the phone was picked up or it was a first offense.

When calling Liu Jiahe's mobile phone number, the system prompts that the call cannot be connected. The reasons for this situation are: first, the mobile phone has no signal; second, the other party has set up call forwarding and transfers the call to another empty number; third , the other party removed the SIM card without shutting down the phone; fourth, the other party set the airplane mode.

Lu Yingying estimated that the suspect took out the SIM card and threw it away, but not the mobile phone, otherwise he would not have taken Liu Jiahe's mobile phone away.If the suspect has not removed the cell phone battery, it can be traced through the phone's serial number.But she didn’t know the serial number of Liu Jiahe’s mobile phone, nor what brand of mobile phone he had.

Liu Jiahe, a sociable person, would definitely use a high-end smartphone, otherwise he would feel embarrassed.

Lu Yingying and Xiao Ke came to Xianghe Community to learn about the situation. The security guard and the landlord said that Liu Jiahe was using an Apple 6s mobile phone. They opened Room 302 and found the Apple 6s packaging box in the bedroom closet, which contained instructions, Warranty card and invoice.She found the phone's serial number in the manual.

Lu Yingying opened her laptop and used software to track the mobile phone. However, after trying it for a long time, she could not track it, which meant that the suspect had removed the battery. The suspect was proficient in their tracking techniques and had an IQ beyond her imagination, so she had to give up this clue. .

They left Room 302 and went to the monitoring room of the community. They asked for access to the video footage of the gate of Building 14 to see who came and went during the time of the crime.Security captain Hua Liangwei said that the electronic eye at the door of Building 14 was broken and there was no video.

"What's going on? How long has it been broken?" Xiao Ke was very unhappy, because monitoring is a standard feature of property management.

"It broke down for two months. The boss of the property management company used most of the money for private loans and could not get it back. The property management company had no money to hire someone to repair it. A total of 34 electronic eyes were broken in the community and they were never repaired. Only 51 electronic eyes were working. ." Hua Liangwei said aggrievedly.

The suspect took advantage of this and dared to break into 302 to kill people. The suspect knew the surveillance situation of the community very well.If the suspect comes to the community to steal, he is not afraid of electronic eyes. It is impossible for the police to make him wanted nationwide for theft. A thief can change places after doing one thing, and he will not be able to steal all in his life.

If it was not a thief who broke into the house and killed Liu Jiahe, but was murdered, then the suspect must have known that the monitor in the community was broken. Otherwise, why bother to go to all the trouble to break into the house and kill him?Why didn't he stab Liu Jiahe from behind while he was alone?Whether Liu Jiahe was killed because he discovered the thief or was a murder, this is a question that the crime team has been arguing about.

Hua Liangwei not only knew Liu Jiahe, but also had a close relationship with him. He would occasionally go drinking and singing karaoke with him.This made Xiao Ke overjoyed: "Did you know that among Liu Jiahe's friends, there are people who are over 180 centimeters tall?"

Hua Liangwei thought for a moment and said, "I rarely interact with his friends. I don't know if he has any such friends. He has a girlfriend named Du Xiaoli. I know her. You go find her to find out the situation."

"Do you have Du Xiaoli's phone number?"

"No, I know where she lives. That night I took my girlfriend, the Liu Jiahe and Du Xiaoli, and went to Xiaoyao Entertainment City to sing together. After that, the Liu Jiahe and I drove her to Linjiang Community. We didn't go home until we sent her home. She lives in Room 18, Building 1204, Linjiang Community. I only met her once. Liu Jiahe told me that she was his girlfriend. I'm not sure. Liu Jiahe likes her. Talking big words. He said he wanted to take Du Xiaoli to immigrate to Canada when he was drunk. How could he have such ability? It was just a joke made after drunken bragging." Hua Liangwei sneered, and suddenly realized that the bad words of the deceased were not good, so he quickly restrained his sneer. expression.

This is a shortcut. Finding Du Xiaoli may lead to the suspect. Xiao Ke and Lu Yingying drove to Linjiang Community to find Du Xiaoli.

The person who opened the door was a young woman, about 35 years old, over 170 centimeters tall, a little taller than Liu Jiahe, as slender as a bamboo pole, and seemed to be able to break if blown by the wind. She was pretty, with a bit of charm, and a beautiful face. Exuding a bookish scent, I wonder why she fell in love with Liu Jiahe, who is 11 years older than her?
The house she lived in was spacious and beautiful, and the decoration was high-end. Compared with the Liu Jiahe's rental house, it was very different. She invited them to sit down and drink tea.Lu Yingying looked at her carefully and didn't notice the sadness on her face. It stands to reason that her boyfriend must be very sad when she died. Maybe it was as Hua Liangwei said: Du Xiaoli is not Liu Jiahe's girlfriend, but Liu Jiahe's girlfriend. Bragging.

"Is your name Du Xiaoli?" Lu Yingying asked.

"Yes." She began to boil water and make tea. Her tea set was very exquisite, and the tea tray was made of finely carved sandalwood, which must be expensive.

"Is this your house?" "Yes, what's the problem?"

"No problem, I'm just envious. You have such a nice house at such a young age."

"Thank you for the compliment. I also envy you for being young and beautiful."

"I heard that you are Liu Jiahe's girlfriend?"

"It's not a girlfriend, it's a female friend. Brother Liu is a nice person. He and I used to be photographers at the City Pictorial Agency. As soon as I graduated, he took me everywhere to take pictures. He also took good care of me in life. I was his apprentice. Later, He quit and became a freelancer, and five years later, I quit, too," she said calmly.

“What do you do for a living now?”

"In the 10 years since I resigned, I have been speculating in stocks, land, and real estate. I also engaged in photography when I had free time, and slowly accumulated some funds, so I am living a pretty good life." She is fragile on the outside, but strong on the inside.

"are you married?"

"If you don't have the right one, you can't find a good one."

"Do you have a boyfriend?"

"No, no!" she said firmly after hesitating for half a second.

"You have been dating Liu Jiahe for so many years. Do you know that he has friends who are over 180 centimeters tall?"

"I don't know. I don't like all his friends. He often makes friends with those scumbags. I have a shortcoming. I am very harsh on friends. I am not that kind of person. After I meet him once, I never want to see him again. Maybe This is probably the reason why I’m still unmarried.”

"Please help us think about it carefully. Liu Jiahe was killed by someone. We must find the murderer so that he can rest in peace."

"I really don't know." She put a half-full cup of tea on the saucer, held it in both hands, and handed it to them respectively.

Lu Yingying felt that she was gentle and polite on the surface, but she was arrogant in her heart, but she didn't show it easily. This kind of person is the most unpredictable.

"Did you know that the Liu family has enemies?"

"I don't know, he won't talk to me about this."

They felt that they had asked enough questions, so they said goodbye to her.After Du Xiaoli walked them to the door, she turned around and closed the door. For some reason, tears rolled out of her eyes unsatisfactorily...

Lu Yingying felt that Du Xiaoli was hiding a lot of things. This was a woman's unique sixth sense, but she couldn't figure out what she was hiding.
Lu Yingying suggested that she and Xiao Ke go to visit the security guard of the community. Xiao Ke agreed, so she went to the security room and asked the security guard Yan Jiang about Du Xiaoli's situation.

"Do you know Du Xiaoli from Room 18, Building 1204?" Xiao Ke asked.

"Oh, we know her. At first we all called her Gao Mei, but later we found out her name is Du Xiaoli."

"Do you know this person?" Xiao Ke took out his mobile phone, opened the photo album, pulled out the photos of Liu Jiahe, and handed the mobile phone to him.

"I know him. This man often comes to see Du Xiaoli and sometimes spends the night at her house. They should be a couple."

"Brother Yan, no, why would Du Xiaoli fall in love with him? Du Xiaoli's boyfriend is tall, strong and handsome." Another security guard suddenly intervened after hearing their conversation.

(End of this chapter)