Serious Crime Unit 1

Chapter 861 The Mystery of Suicide (7)
Jiang Yiming summoned Ai Qiusheng to the criminal police team to question him.

"Ai Qiusheng, you lied. You are interfering with our handling of the case and you will be held legally responsible. I have already said this."

"What did I lie about?"

"You said you didn't know where Wan Yiran lived, let alone been to her bedroom, but we did a fingerprint comparison and it turned out that your fingerprints were left on the edge of the bed and the dresser in Wan Yiran's bedroom. What do you say now? ?”

"I'm sorry, I didn't want you to suspect that I murdered Wan Yiran, so I had to lie."

"Not only did you lie about this thing, but you also lied about another thing."

"What?" he asked calmly, as if the police didn't have any evidence.

"You said that you and Wan Yiran have a pure teacher-student relationship. However, we went to the Good Times Hotel in Xiyan City to investigate and reviewed the surveillance video from December 2018 to 12, 15. The video showed: You and Wan Yiran We checked into Room 17 of the Good Time Hotel at the same time and slept there for two nights. Do you need to watch the video?"

"We went to Qingyang Mountain to sketch. In order to save money, we shared a room. Our relationship is very pure. It's really not what you think." He answered without changing his face or heartbeat.

"So pure that you sleep in the same bed? Isn't your self-deception ridiculous?"

"We each sleep in a bed..."

"Nonsense! There is only one single bed in room 1809. Do you think we are fools?"

"Whatever you think, we didn't have sex anyway." He said calmly.

"Okay, even if you sleep in the same bed and have no relationship, I extracted suspicious semen and hair from the mattress in Wan Yiran's bedroom. After DNA comparison, it completely matches your DNA. How do you explain this? ?”

"This..." He was slightly startled. He didn't expect that they were so powerful and would do this.

"In the face of hard facts, it's useless if you don't admit it."

"I...I admit...I am indeed in a relationship with Wan Yiran, but I did not kill her. She committed suicide." He thought that they would not be able to provide evidence to prove that he killed Wan Yiran, so he spoke with confidence.

"Where were you on the afternoon of March 3st? Have you ever been to Wan Yiran's rental house?"

"I went to Wan Yiran's rental house that afternoon. She was very depressed. She called and asked me to accompany her and comfort her. She spoke very sadly, almost crying and begging me. I was afraid that she would commit suicide. , I had no choice but to accompany her."

"What did you do after you went to her house?"

"I didn't do anything. I just sat by her bed and comforted her, told her not to be so sad, and advised her to face life bravely. Then I kept wiping her tears. However, I felt that my words did not have much power and could not make her happy. She becomes happy."

"Why is she so sad?"

"She said that her inspiration was exhausted and she could not draw better paintings. She also suffered from mild depression. She felt depressed, depressed, and depressed. She lacked interest in daily activities and was pessimistic and disappointed about the future, resulting in lack of energy and mental retardation. She felt this Shame and guilt. Inability to concentrate, reduced memory, slow thinking, reduced self-esteem and self-confidence, exaggerating one's shortcomings and mistakes, thinking that one is worthless, unloved, blaming oneself for this, and even having the tendency to commit suicide. "

"What caused her to suffer from mild depression?"

"I don't know."

"When did you enter Wan Yiran's room, and when did you leave?"

"I left school at 3:31 pm on March 12, walked to her rental house, and then left there at 02 pm because I had to go to class at 30:[-]."

"March 3st is Sunday, why do you have to go to class?"

"I was tutoring students with poor academic performance that day." "Did you enter Xuexiang from the north intersection or the south intersection of Xuexiang and go to Wan Yiran's rental house?"

"I always enter Xue Lane from the south intersection of Xue Lane to go to Wan Yiran's home."

Jiang Yiming told him to go back first, but to cooperate with the investigation at any time, because there is currently no evidence to prove whether what he said is true or false.

Jiang Yiming asked Wen Xiaorou to pull up the security surveillance video at the south intersection of Xue Lane and check it. Wen Xiaorou turned on the computer, entered the password, entered the city's security surveillance system, and pulled up the surveillance video Jiang Yiming asked for. Because she had the accurate time, she could quickly Ai Qiusheng was seen on the surveillance video. As expected, he entered Xuexue Alley at 31:12 pm on the 31st, and then came out of the alley at 14:01 and walked towards the Provincial Academy of Fine Arts.

Wen Xiaorou was afraid that after Ai Qiusheng came out of the alley, he would enter the school alley from another way to find Wan Yiran. She then entered the traffic monitoring system at the entrance of the Provincial Academy of Fine Arts to check whether Ai Qiusheng went to school. The video showed that he went to school at 14: Entered the academy at 11 and never came out.

Of course, this doesn't mean anything, because after Ai Qiusheng entered the Academy of Fine Arts, he was able to climb out of the wall of the Academy of Fine Arts.Then use transportation to rush to Wan Yiran's rental house to murder her, so that he has an alibi.

The only way to prove that Ai Qiusheng was in class during Wan Yiran's time was to go to the students to find out the situation.Moreover, there are monitors everywhere in the Academy of Fine Arts. Just go and investigate and you can prove whether Ai Qiusheng is lying.

Jiang Yiming and Zhou Ting went to the Provincial Academy of Fine Arts to find the dean and said that they would call some of Ai Qiusheng's students to inquire. The dean took them to the classroom and called five students and asked them about March 5. Is Ai Qiusheng in the classroom from 3:31 to 02pm?

One student said he didn't remember, but four students said Ai Qiusheng was indeed in the classroom from 4:14 to 30:15.After class, Ai Qiusheng's whereabouts were unknown.Jiang Yiming had no choice but to check the surveillance video of the Academy of Fine Arts. The video proved that Ai Qiusheng had never gone out since he entered the gate of the academy at 15:14 that day.In other words: Ai Qiusheng was indeed at the Academy of Fine Arts when Wan Yiran died.He has an alibi.

"Captain Jiang, I think Ai Qiusheng's alibi is useless."

"Oh, do you have any new ideas?"

"If Ai Qiusheng mixed a large amount of sleeping pills into water, added honey, and tricked Wan Yiran into drinking it, Wan Yiran fell asleep quickly after drinking the sleeping pills. Seeing that his murder was successful, Ai Qiusheng, in order not to make people suspicious, He left Wan Yiran's home quickly. In this case, there would be no resistance injuries on Wan Yiran's face and body, and she died peacefully in her sleep. Therefore, Ai Qiusheng's alibi is useless. "

"Yes, there is another way. Ai Qiusheng tricks Wan Yiran into taking an appropriate amount of sleeping pills. When Wan Yiran falls into a deep sleep, he then uses a syringe to inject the liquid sleeping pills into Wan Yiran's body through the blood vessels, and then leaves the scene of the crime. Just complete the murder without anyone noticing."

"If Ai Qiusheng really used these two methods to murder Wan Yiran, it would be difficult for us to find evidence to prove his guilt."

"According to the doctor who treated Wan Yiran, he only prescribed 40 sleeping pills for her at a time. If Wan Yiran committed suicide, the approximately 100 tablets of alprazolam in her body should not have belonged to Wan Yiran, but were purchased elsewhere by the murderer. , which is also a clue to find evidence.”

"Only Ai Qiusheng had the greatest motive for murder in this case, because he was the only one who knew which sleeping pills Wan Yiran was taking. If Wan Yiran had taken other sleeping pills, such as estazolam, diazepam, etc., then we would be suspicious. Therefore, we must concentrate our efforts to investigate Ai Qiusheng in depth, where do you think we should start?"

"Ai Qiusheng had to buy alprazolam, and the amount was large. However, he does not have insomnia or anxiety. Under normal circumstances, doctors will not prescribe medicine to him. I think he may buy it online. What is online now? You can buy them all, as long as the price is high, we have handled many cases in the past, and most criminals bought strong sleeping pills, such as triazolam, online."

"You're right. He doesn't dare to ask someone to buy sleeping pills, nor does he dare to go to the hospital to ask a doctor for a prescription. If you want to check his purchase record of Alprazolam, the best shortcut is to check his Alipay or WeChat wallet."

Jiang Yiming decided to check Ai Qiusheng's Alipay and WeChat wallet. He and Zhou Ting went to the Provincial Academy of Fine Arts to find Ai Qiusheng. After finding him, Ai Qiusheng was still kind and polite to him: "Captain Jiang, you two are so dedicated, so often Aren't you tired of visiting our college?" His tone was very sarcastic.

"What are you afraid of if you are tired? Don't say tired. In order to fight against the criminal suspect, I will not hesitate to sacrifice my life... Your suspicion has not been cleared yet, so I will continue to question you... …”

"I already have an alibi, isn't this useful?"

"It's useless, because after Wan Yiran takes a large amount of alprazolam, it cannot be absorbed immediately. She has to wait for most of it to be absorbed before she can cause respiratory paralysis and die slowly. In other words, she has to wait 1 to 3 hours. , it depends on the dosage, so your alibi is useless. Now we want to investigate your Alipay and WeChat wallet, please hand over your phone to me." Jiang Yiming looked at him sternly.

"This...I don't agree. This is an invasion of my personal privacy!" He was angry, with patches of red and white on his face.

"I'm sorry, we are criminal police investigating murder cases. The law gives me the power to conduct account investigations on suspects. If you don't cooperate, we will regard you as obstructing official duties and can take you away by force." At this time, Ai Qiusheng was no longer calm. .

"I didn't do anything illegal, how could you randomly check my account?"

"Since you haven't done anything illegal, you don't have to worry about us investigating."

(End of this chapter)