Eight o'clock in the morning the next day.

Han Bin and the others rushed to the branch office.

Zheng Kaixuan also returned to the sub-bureau from Mu Xinran's house, and Tian Li and the people from the technical team were still staring at Mu Xinran's house.

In order to save time, everyone had breakfast and summarized the facts of the case.

Han Bin handed Zheng Kaixuan a cup of hot soy milk and asked, "Team Zheng, was there any situation last night?"

Zheng Kaixuan waved his hand, took a sip of soy milk first, and then said slowly: "The night was calm, and Tian Li and I took turns to rest. ”

"The suspect made a blackmail call at 10 o'clock in the morning the day before yesterday, and it has been two days, and Mu Xinran has not been contacted again, which is not very reasonable. Han Bin said.

"Could it be the reason for the large amount of extortion, it will definitely take time to raise 10 million in cash. Li Hui guessed.

"I'm a little curious about how the ransom of 10 million will be paid. Zhao Mingdao.

"If you want me to say, it's better to be a celebrity and make money too quickly, otherwise you won't be targeted. Sun Xiaopeng said.

Zheng Kaixuan ate half of the fritters, padded his stomach, and asked, "Is there any news from the technical team?"

"When I came, I went around, and Lu Wen was busy in the laboratory, and I guess the results are about to come out. Han Bin said.

Mu Xinran's husband should be able to arrive today and make a note for him. Zheng Kaixuan said.

"Got it. ”

"When I left today, Mu Xinran begged me not to tell her husband about her and Li Hanxuan. Zheng Kaixuan said with a smile.

"As long as it has nothing to do with the case, no one will chew on her. Han Bin said with a smile.

The criminal police team deals with criminal cases and family disputes are not under their control.

At the beginning, there was an online dating homicide case, and the husband of a person involved in the case asked Tian Li what the relationship between his wife and the suspect was, but he was directly rebuffed by Tian Li, wanting to know that he would go home and ask his wife.

Tian Li's approach seems to be impersonal, but it is the right choice.

Tian Li understands the facts of the case, even if she sympathizes with the husband in her heart, she can't reveal anything, this is discipline.

Unlike the civilian police, the criminal police need to maintain sufficient authority in order to deter criminals.

The police-people family refers to the grassroots police, and the service objects are the ordinary people in the community, and it is necessary to serve the people.

If the criminal police also learn this set, the common people should be insecure.

After the meal, Zheng Kaixuan went home and went to sleep.

Han Bin packed up his equipment and prepared to take someone to Mu Xinran's house to replace Tian Li.

As soon as I walked to the door of the office, I happened to meet Lu Wen.

Rowan had a dark circle under his eyes and a stack of papers in his hand.

Han Bin returned to the office, invited Lu Wen to sit on a chair, and asked, "I stayed up late last night." ”

"Yes, I haven't even returned home until now, and I have been squinting in the dormitory for more than three hours. Leven yawned.

"Good work. Han Bin said politely: "Xiaopeng, go pour a cup of tea." ”

"No need, I'll give the test report to your group, go back and sleep for a while, don't drink tea and refresh yourself." Lu Wen smiled bitterly.

"Yes, that's a save, and all the evidence has been checked. ”

"For the time being, only three copies have come out. Lu Wen said and handed the report to Han Bin.

Han Bin glanced at it, one material identification, one DNA identification, and one about mobile phones.

Lu Wen still followed the usual practice and briefly introduced: "The cigarette butts in the ashtray on the balcony match Li Hanxuan's DNA, and they are indeed the cigarettes he smoked." ”

"Only Mu Xinran's fingerprints were found on the plastic box equipped with the key, and there were no people's fingerprints on the three spare keys, but I did a detailed test, and SIO2 and Al2O3 residues were found on the green-handled key, but the content was very small and difficult to detect with the naked eye. Leuven said.

"What can these two substances represent?" Li Hui wondered.

"The main components of aluminosilicate are SIO2 and Al2O3. Leuven explained.

"I said glasses, can you be a good person, one step at a time. Li Hui rolled his eyes, as if he knew what aluminosilicate was.

"Aluminosilicate minerals form clay when weathered on the earth's surface. Han Bin continued.

Lu Wen was a little surprised, and gave a thumbs up: "Team Leader Han, it's professional enough." ”

"Team leader, what does the clay on the key mean?" Sun Xiaopeng didn't react.

"The main ingredient of keyprint clay is clay. Han Bin replied and continued to analyze:

"There are no fingerprints on the key, which usually means that no one has touched the key, or they have touched it with gloves, and there is clay on the key, and I think the second one is bigger, someone used key ink to match the key. ”

"There have only been three people in Mu Xinran's house recently, and after removing herself, only Li Xia and Li Hanxuan are suspected. Li Hui said.

"Tsk, this is a big clue, the person with the key is an accomplice, if not the main culprit. Zhao Ming said with a smile.

Lu Wen interrupted the discussion and continued: "There is another situation, when I was trying to recover the video, I found that Mu Xinran's phone had a hidden software in his phone that could eavesdrop on phone calls. ”

Who did this Mu Xinran offend, even his mobile phone was tapped. Li Hui said.

"Can you use this software to find the IP of the listening phone?" asked Han Bin.

Lu Wen shook his head: "I don't know much about this aspect, I can only try to find someone from the technical team who is proficient in programming, and it is not certain whether I can track it down." ”

"In addition, the DNA of the cigarette butts found in the corridor has not been successfully compared, and the video has not been recovered. ”

"Good work. Han Bin said.

"Each other, we are all serving the people. Lu Wen stood up and stretched: "Yes, you guys can investigate the case, I'll go and get some sleep." ”

After seeing Lu Wen leave, Han Bin thought for a moment: "Let's divide into two ways, Li Hui and I will go to Mu Xinran's house, one is to wait for the blackmailer's call, and the other is to make a record for Mu Xinran's husband. ”

"Zhao Ming and Xiaopeng, you go to find a place near Mu Xinran's house to match the key, and see if you can find clues. ”

"Yes. ”

......

Half an hour later, Han Bin and Li Hui rushed to Mu Xinran's house.

Li Xia was busy in the kitchen.

Mu Xinran seemed to have just gotten up and was eating in the living room in a thin pajamas, but her face was covered with makeup.

Han Bin doesn't care, Mu Xinran's legs are relatively beautiful, but the overall figure is just one word.

There are many beauties who show their thighs in summer, and Han Bin has not seen it before, so he has long been surprised.

However, Li Hui was a little worse, looking a little unnatural, his eyes were a little evasive, and he didn't dare to look at Mu Xinran.

Han Bin looked at Mu Xinran and quipped, "Miss Mu, you dress so casually, you really don't treat us as outsiders." ”

"The heating may have been burning in the past two days, and the house is dry. Mu Xinran responded and continued, "Officer Han, can I go out today?"

"What's the matter?" The blackmailer might call at any time, Mu Xinran went out, and Han Bin had to go out with him.

"Hey. Mu Xinran sighed: "Yesterday, your technician took my mobile phone, I want to buy a new mobile phone, and I will be back soon." ”

"Didn't he give you a spare phone? Han Bin said.

"The phone is so old that I won't even use it. Mu Xinran shrugged his shoulders.

Referring to the mobile phone, Han Bin took the opportunity to ask, "Where did you buy the mobile phone before?"

Mu Xinran recalled: "I didn't buy it, I gave it to someone else." ”

"Who sent it?"

"Ma Pengkun"

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