Eight o 'clock the next morning.
Han Bin and the others rushed to the branch office.
Zheng Kaixuan also returned to the branch office from Mu Xinran's house. Tian Li and the forensics team were still watching Mu Xinran's house.
In order to save time, everyone summarized the case while eating breakfast.
Han Bin handed Zheng Kaixuan a cup of hot soy milk and asked, "Captain Zheng, did anything happen last night?"
Zheng Kaixuan waved his hand, took a sip of the soy milk, and said slowly, "It was a peaceful night. Tian Li and I even took turns to rest."
"The suspect made a ransom call at ten o 'clock the day before yesterday. It's been two days, and he hasn't contacted Mu Xinran. This doesn't make sense," Han Bin said.
"Could it be because the ransom amount is relatively large? It will take time to raise ten million in cash," Li Hui guessed.
"I'm a little curious. How will this ten million ransom be paid?" Zhao Ming said.
"In my opinion, being a celebrity makes money too quickly. Otherwise, she wouldn't be targeted," Sun Xiaopeng said.
Zheng Kaixuan ate half a youtiao to fill his stomach and asked, "Is there any news from the forensics team?"
"I went to take a look on the way here. Reuven is busy in the lab. The results should be out soon," Han Bin said.
"Mu Xinran's husband should be here today. Give him a statement," 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 gossip about it," Han Bin said with a smile.
The criminal police team dealt with criminal cases, and family disputes were not under their jurisdiction.
In the past, there was an online dating murder case. The husband of one of the people involved asked Tian Li about the relationship between his wife and the suspect. In the end, Tian Li retorted and wanted to ask his wife at home.
Tian Li's actions seemed unreasonable, but it was the right choice.
Tian Li knew about the case. Even if she sympathized with the husband, she couldn't reveal anything. It was a rule.
Criminal police were different from civilian police. They needed to maintain a certain level of dignity in order to deter criminals.
The police and the people's family referred to the grass-roots police. Their service targets were the people of the community. It was their duty to serve the people.
If the criminal police also learned this, the people would not feel safe.
After dinner, Zheng Kaixuan went home to sleep.
Han Bin packed his equipment and prepared to bring people to Mu Xinran's house to replace Tian Li.
Just as he walked to the office door, he bumped into Reuven.
Reuven had dark circles under his eyes and a stack of documents in his hands.
Han Bin returned to the office and invited Reuven to sit on the chair. He asked, "You stayed up late last night."
"Yeah, I didn't even go home. I just slept in the dormitory for more than three hours." Reuven yawned.
"You've worked hard." Han Bin said politely, "Xiaopeng, go pour a cup of tea."
"No need. I'll give the test report to your team. Go back and sleep for a while. Don't drink tea and wake yourself up again." Reuven smiled bitterly.
"Okay, that's fine. Which pieces of evidence have been checked?"
"Only three for now." Reuven said and handed the report to Han Bin.
Han Bin glanced at it. One was material identification, one was DNA identification, and one was about the mobile phone.
As usual, Reuven gave a simple introduction. "The cigarette butt in the ashtray on the balcony matches Li Hanxuan's DNA. It's indeed the cigarette he smoked."
"I only found Mu Xinran's fingerprints on the plastic box of the key. The three spare keys didn't have anyone's fingerprints on them, but I did some more detailed testing and found SIO2 and Al2O3 residue on the green key. However, the amount is very small, and it's hard to detect with the naked eye," Reuven said.
"What do these two substances represent?" Li Hui was puzzled.
"The main components of aluminosilicate are SIO2 and Al2O3," Reuven explained.
"I say, Glasses, can you be more straightforward and get everything done in one go?" Li Hui rolled his eyes as if he knew what aluminosilicate was.
"Aluminosilicate minerals will form clay after weathering on the Earth's surface," Han Bin continued.
Reuven was a little surprised and gave him a thumbs up. "Leader Han, you're very professional."
"Leader, what does the clay on the key mean?" Sun Xiaopeng didn't understand.
"The main component of the key pad is clay," Han Bin answered and continued to analyze.
"There are no fingerprints on the key, which usually means that no one touched the key, or it was touched by someone wearing gloves. Since clay was found on the key, I think the second possibility is more likely. Someone used the key pad to make the key."
"Only three people came to Mu Xinran's house recently. Other than her, only Li Xia and Li Hanxuan are suspects," Li Hui said.
"Tsk tsk, this is a big clue. Even if the person who made the key is not the main culprit, he's an accomplice," Zhao Ming laughed.
Reuven interrupted the discussion and continued, "There's another situation. When I was trying to recover the video, I found a hidden software in Mu Xinran's phone that can eavesdrop on phone calls."
"Who did Mu Xinran offend to have her phone tapped?" Li Hui said.
"Can we use this software to find the IP address of the phone?" Han Bin asked.
Reuven shook his head. "I don't know much about this. I can only find someone in the technical team who is proficient in programming to try. It's not certain if we can track it.
"Also, the DNA of the cigarette butts found in the corridor hasn't been compared, and the video hasn't been recovered. When there's news, I'll inform you."
"Thank you for your hard work," Han Bin said.
"Same to you. We're all serving the people." Reuven stood up and stretched. "Alright, you guys continue investigating. I'm going back to sleep."
After watching Reuven leave, Han Bin thought for a moment. "Let's split up. 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 statement for Mu Xinran's husband.
"Zhao Ming and Xiaopeng, you guys go to the place near Mu Xinran's house to find the key pad. See if you can find any clues."
"Yes."
…
Half an hour later, Han Bin and Li Hui arrived at Mu Xinran's house.
Li Xia was busy in the kitchen.
Mu Xinran seemed to have just woken up. She was wearing thin pajamas and eating in the living room, but she had makeup on.
Han Bin didn't mind. Mu Xinran's legs were beautiful, but her overall figure was flat.
There were many beauties who showed their legs in the summer. It wasn't like Han Bin hadn't seen it before. He was already used to it.
However, Li Hui was a little worse off. He looked a little unnatural and avoided looking at Mu Xinran, not daring to look at her.
Han Bin looked at Mu Xinran and joked, "Miss Mu, you're dressed so casually. You really don't treat us as outsiders."
"I might have turned on the heater for the past two days. The house is very dry," Mu Xinran replied and continued, "Officer Han, can I go out today?"
"What's the matter?" The blackmailer could call at any time. If Mu Xinran went out, Han Bin had to follow.
"Sigh." Mu Xinran sighed. "Yesterday, your technician took my phone. I want to buy a new phone. I'll be back soon."
"Didn't he give you a spare phone?" Han Bin said.
"That phone is too old. I don't even know how to use it." Mu Xinran shrugged.
When the phone was mentioned, Han Bin asked, "Where did you buy your previous phone?"
Mu Xinran recalled. "I didn't buy it. Someone gave it to me."
"Who gave it to you?"
"Ma Pengkun."
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