"Thanks—I don't have to." I'm not used to greeting people, "If you help me tell the white team, I won't go." ”

I didn't go to the criminal police team, and a few days later, the white team and Yang Yize came to Yiqiao to thank me in person, which made me a little embarrassed. In addition, the white team also conveyed the invitation of the substation and wanted me to give a lecture to the substation about art therapy. Where can I cope with that scene, I hurriedly shirked: "I don't have enough experience and qualifications, it will only delay everyone's time." ”

"How so." The white team has a sincere attitude, "Society is changing, from simple crimes and impulsive crimes in the past, to many planned and premeditated high-IQ and high-tech crimes. Therefore, we need to be more diverse. This time I have gained a lot of knowledge, and I really didn't expect that I could accurately judge so much information based on a few strokes. I asked for my forgiveness for the misunderstanding of Mr. Xin before. ”

I waved my hand: "This is a coincidence, but the analysis of painting is very limited. This is not the case in every case. ”

"Anyway, this is also a new method, you are now well-known in our bureau, and I was also appointed by the leadership to invite Dr. Xin to give a lecture. In my opinion, it is not only useful for solving cases, but also for interrogation and crisis intervention. The white team said.

When it comes to the words of the white team, I have no choice but to be respectful rather than obey. Two weeks later, I promised to go to the Binhai branch to do a psychological report on art therapy.

"Oh, by the way, the report is limited to internal learning and exchanges, and the people who come to listen to the report are comrades in charge of psychological counseling and psychological counseling in the public security system, and there will be no outsiders. Because He Xiaomin's case is very sensational, a lot of media attention has paid attention to it. We will disclose some facts of the case, but we will not introduce Mr. Xin's role to the media. Mainly from the perspective of safety, there are very few people who do art therapy in Nancheng, and even if the name is hidden, the discerning person will know that it is you without guessing. We need to avoid malicious retaliation by the murderer's stakeholders. The white team explained earnestly.

I was grateful to the white team for being thoughtful, and I also took the opportunity to inquire about the details of Xiaomin's case. According to my suggestion, Yang Yize investigated the neighbors near Xiao Min in detail again, and sure enough, someone heard loud music just before and after Xiao Min jumped off the building. Since it was noon at the time of the incident, many people were busy cooking, so no one noticed when the police did not deliberately ask for the voice. This time it was a young man preparing for an exam, and he recalled that there was a song that was played repeatedly, and he was still irritated at that time, how to play it on a loop and affect his studies, but he didn't report it to the police as an abnormal incident.

"What song is it?" I asked curiously.

"What "It's My Fault to Fall in Love with You", I haven't heard of it." Yang Yize said, "The witness happened to be able to sing, so I couldn't help humming along several times at that time, and I remember it very clearly." "I suddenly thought, presumably this song has a special meaning between Xiao Min and Meng Xiangchen.

After that, the police investigated the residents of the buildings near Xiaomin one by one, and finally found that the 13th floor of the building opposite Xiaomin's house had been rented out a week before the crime. Although the lessee is not Meng Xiangchen, he went down layer by layer along this line and found the ultimate behind-the-scenes manipulator Meng Xiangchen.

The police found Meng Xiangchen's fingerprints and clothing fibers in Zhou Shiming's trunk, as well as in the rented room on the 13th floor of Xiaomin's building, and found a paper ball that packaged Qing pills, with half of Meng Xiangchen's fingerprints on them, and found a portable stereo and a USB flash drive in the room on the outskirts of Meng Xiangchen's southern city. And a stain at the bottom of the speaker is exactly the same as a soy sauce stain on the balcony of Xiao Min's room rented by Meng Xiangchen.

At this point, a complete chain of evidence has been formed, pointing out that Meng Xiangchen is the murderer of the villa rape case and the murderer of poisoning Xiaomin.