Meng Kun told the story of his good brother Ma Junxu, and he was very emotional, constantly praising Ma Junxu, making him feel that his face was bright.

He sat in a chair, crossed Erlang's legs, and spit flying.

His narration let us re-understand the person Ma Junxu, this person turned out to be a son of the plane?

The so-called end-stream university, founded the studio, and now founded the Suitingge APP, as if everything was planned by him.

"Ma Junxu and Zhang Mengyu are getting married, and I'm still the best man! I'm all set! The more Meng Kun spoke, the more excited he became, and he was very excited.

"Wait, do you know why Ma Junxu came to the Public Security Bureau?" I suddenly frowned, feeling that something was wrong, and interrupted him.

"Huh? Didn't he come to the Public Security Bureau because he hit someone else's car? Meng Kun looked at me in some surprise.

"Uh...... It's okay. I smiled and said lightly.

Meng Kun didn't care, and continued to tell me the story of Ma Junxu: "This kid is really enviable, he has been smooth sailing since he was a child, he has never encountered any difficulties, and now he has a bumper harvest in career and love." The most infuriating thing is that this kid actually said that his life is no longer interesting, he has enjoyed everything, he has experienced everything, I bah, Versailles! ”

"How is his relationship with Zhang Mengyu?" I asked softly.

"Their relationship is unbreakable! The needle can't be inserted, the water can't be splashed, it is said that Zhang Mengyu still retains his innocence! In today's era, this kind of thing is not much common. Meng Kun let out a heartfelt sigh, and his face was full of envy.

"Well, okay, I'll sign the transcript as soon as I go, and then you can drive Ma Junxu back, pay attention to safety on the road." I nodded and said seriously.

Leaving the interrogation room, Ma Junxu's suspicion has been reduced by half, but the possibility of him and Meng Kun colluding in advance cannot be ruled out.

If you want to completely clear Ma Junxu's suspicion, you have to wait for Jiang Tingbai to come back with the technical team to investigate, as long as you have Ma Junxu's alibi, it's fine.

After returning to the office of the Serious Crime Unit, the investigation and detection phase of this homicide case can be regarded as officially begins.

Jiang Tingbai took the technical team to investigate Ma Junxu's car, and Xue Hang went to investigate the monitoring of Ma Junxu's residence to see if Ma Junxu was not at home that night.

Now we are ready to follow the method we are most familiar with, which is the method most commonly used in traditional criminal investigation, to investigate the social relations of the deceased.

Looking at the time, it was already evening, Zhang Mengyu was killed at seven o'clock last night, and we went to the scene this morning.

It looks like there's only going to be some analytical work left tonight.

Just when I was feeling a little embarrassed, I heard crying again in the hallway.

I frowned suddenly, and asked very puzzledly, "Isn't Ma Junxu gone?" ”

Li Meng stood up, walked to the door and took a look, turned back to me and said, "It should be the family of the deceased who is here." ”

Sure enough, Lin Zifan walked into the office quickly and said directly to me: "Zhang Mengyu's parents have come to identify the body." ”

"Are only her parents coming?" I asked.

Lin Zifan shook his head and said, "There is also Zhang Mengyu's best friend, she accompanied the two old men. ”

I couldn't help but smile bitterly and muttered: "Ma Junxu's hair is small, Zhang Mengyu's best friend, it's so lively today." ”

"Xiaomeng, you go and comfort the parents of the deceased and investigate Zhang Mengyu's natural situation. Zifan, you and I will investigate Zhang Mengyu's best friend and learn about her social relationships. I stood up and took a deep breath.

In the inquiry room, we saw a girl.

Her name is Fang Qi, and she is Zhang Mengyu's college classmate.

Fang Qi sat on the chair very calmly, his eyes were a little dull, staring at one place in a daze.

People do have different reactions when they are extremely frightened and extremely sad, some people cry emotionally, some people are relatively calm, their brains are blank, and they can't accept reality.

Ma Junxu is the former, and Fang Qi is obviously the latter.

"Are you Zhang Mengyu's college classmate?" I asked slowly.

Fang Qi looked at me in a daze, his eyes were red, he slowly spoke, and made a mosquito-like sound: "It's ......"

"Please mourn, we have launched an investigation into this case, and I hope you can cooperate with us and provide some clues to help us catch the murderer as soon as possible." I settled down and spoke earnestly.

After many years of police work and many homicides, my words have become extremely proficient, without even a trace of emotion.

Fang Qi nodded silently.

"When was the last time you contacted her?" I asked in a deep voice.

"About a month ago, when she was proposed, she showed me her DR diamond ring." Fang Qi said weakly.

"A month ago? So long? "I feel a little puzzled, they are best friends, why haven't they been in touch for so long?

Fang Qi nodded lightly and said, "Yes, at the beginning of the year now, we are busy with work, and after graduating for so many years, although our relationship has always been very good, we usually don't contact each other. ”

"How is Zhang Mengyuren? Are there enemies in life? I continued.

"She is very nice, the circle is also very clean, and there are no enemies." Fang Qi said lightly, and then added: "After graduating from college, after she and Ma Junxu confirmed their relationship, the circle became smaller. They are childhood sweethearts, and all circles are centered on each other, and they basically don't contact others. I also heard that she deleted a lot of people of the opposite sex who were not in contact, and wanted to live with Ma Junxu wholeheartedly. ”

I took a deep breath and stared at Fang Qi.

Through our investigation, as well as the descriptions of Ma Junxu and Meng Kun, as well as the current investigation of Fang Qi, and the summary of information from multiple directions, one thing has been determined.

Ma Junxu and Zhang Mengyu are extremely affectionate, Zhang Mengyu's circle is very small, and there are no enemies.

In this case, love killings and vendetta killings have been ruled out.

Then all that's left is the murder of passion, and the more frenzied random killing.

"Do you also recall carefully, does Zhang Mengyu have any connection with you in the past few days? Or do you know Zhang Mengyu's life in recent days? I made up my mind and asked.

Fang Qi shook his head and said slowly: "Her life is very simple, she only has Ma Junxu in her eyes, and she doesn't even post a circle of friends. ”

"Where were you last night around seven o'clock?" I stared at her and asked again.

"Where did you start last night?" Fang Qi's gaze drifted to the side and carefully recalled.

"I don't remember exactly." Fang Qi shook his head expressionlessly.

"Where were you last night when it rained heavily?" I changed the way I asked and continued.

"Heavy rain? I shelter from the rain in the company. ”