My Criminal Investigation Notes

延北老九天津博集新媒科技有限公司Apr 2026

2.8

Word count: 204K words
Chapters: 46

Summary

The profession of "mistress" with peculiar tastes, the warped college girl, the "filial" children who murder their parents, the withdrawn loners who make a suicide pact.

Are they simply unable to adapt to society, or has "social progress" shaped them?

Is there a warning light behind the darkness? Or must there be darkness wherever there is light?

A person smiling at you does not necessarily mean friendliness—he may be calculating how to harm you.

What is more terrifying than gods and ghosts is the human heart! It is the ultimate release of that dark dimension within the heart!

Editor's review

Structured as a set of criminal investigation notes, this book collects profiles of multiple cases, with a style that leans toward the sensational and the dark side of human nature. The author juxtaposes label-like figures—"the profession of 'mistress' with peculiar tastes," "the college girl," "children who murder their parents," "those who make suicide pacts"—in an attempt to probe the relationship between individual disorder and social change, repeatedly stressing that "what is more terrifying than gods and ghosts is the human heart." Its readability comes from the brisk pace of the cases and a strong sense of suspense, making it suitable for reading in short bursts; yet the narrative relies more on labels and shock value, offers relatively limited analysis of the causes of the cases, and tends to reduce characters to symbols of "distortion." Treated as an entertaining collection of crime stories, it delivers tension; for rigorous criminological analysis or deep social observation, look elsewhere. As you read, watch how the author sets up the "warning light" metaphor and how labeling language itself may introduce bias.

Who it's for

A good fit for

Casual readers who enjoy short crime stories and seek tension and suspense
Readers interested in the dark side of human nature who can accept sensational narratives
Readers accustomed to fragmented reading who want a few cases to read on the commute or before bed

Not a good fit for

Readers expecting rigorous criminological analysis or social research methods
Readers uncomfortable with label-based character portrayals and sensational writing
Sensitive readers prone to psychological stress from crime details

Reading tips

Read it as a short-story collection in installments; pause after each case to avoid continuous intake of highly dark narrative.
When you encounter a character label, ask yourself: what specific circumstances does this label obscure? Carry that question into the next case.
If a certain type of case interests you, seek out nonfiction works in criminology or sociology for comparison.

About the publisher

天津博集新媒科技有限公司

Tianjin Boji Xinmei Technology Co., Ltd. is a publisher focused mainly on literature and general reading. Public information about the company is limited, but its catalog of nearly one thousand titles indicates publishing directions that include mystery and detective fiction, foreign literature, classic works, health, and Eastern philosophy. Representative publications include The Complete Dark Stories of Edgar Allan Poe, the works of Jo Nesbø, Nobel laureates John Steinbeck and Yasunari Kawabata, the collected works of Shi Tiesheng, and the healing books of neurologist Oliver Sacks. Its author resources combine foreign classics such as Poe, Steinbeck, and Kawabata with contemporary mystery writers like Nesbø, supported by translators including Cao Minglun and Lin Liren, reflecting a publishing profile that balances retranslated classics with genre reading.

版权信息
第一卷午夜色祭
01 赤裸男尸
02 色女郎
03 活祭
第二卷饕餮之笑
01 猥亵猪手
02 棺内冤
03 锯开死人颅
04 “鲁班门”杀手
第三卷妖妇怨咒
01 尸体长毛
02 脑门有眼
03 夜斗尸村
04 致命毒碱
第四卷夜跑幽灵
01 被它强暴
02 死亡信号
03 上钩的“食人鱼”
04 永不被擒
第五卷撒旦之约
01 烧炭窒息
02 自杀Q群
03 被碾碎的人肉块
第六卷鬼胎索魂
01 身怀“鬼胎”
02 “阴债”
03 午夜高跟鞋
04 活体解剖
第七卷多情墨格拉
01 车顶坠尸
02 绝密偷拍
03 逃跑的网红
04 吊死她
第八卷杀人机器
01 悬赏通缉
02 夹人肉的钳子
03 蛙人与电刑
04 “兵工厂”剿匪
第九卷食脑屠夫
01 无脑尸
02 来自“天堂”的线索
03 死亡艺术
第十卷吊在窗外的前妻
01 窗外悬尸
02 夺命猎枪

FAQ

Is this book a record of real cases?

The source of the cases is not stated in the materials, so it should not be assumed that all are records of real cases. A safer reading is to treat them as crime stories written in the form of criminal investigation notes, focusing on narrative technique and issues of human nature rather than citing them as documentary archives.

The book repeatedly says "what is more terrifying than gods and ghosts is the human heart." What is the main thread?

The main thread is not a detective solving cases, but the juxtaposition of multiple cases to display different forms of the dark side of human nature and to probe the relationship between individual disorder and social change. Readers can see it as a group of cautionary stories centered on "the human heart."

Is it too depressing to read?

The subject matter involves dark content such as murder and suicide, and the overall tone is rather bleak. If you are easily affected, it is advisable to limit the number of pieces you read at one time, do something lighthearted afterward to shift your mood, and not force yourself to finish it in one sitting.

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About the author

延北老九 Author

Yanbei Laojiu is a Chinese online author about whom very little public information is available; the confirmable details mainly concern his writing activity. His representative work, My Criminal Investigation Notes, is classified as suspense and mystery fiction, and it is the only book by this author included in our catalog. Judging from the subject matter, Yanbei Laojiu's writing focuses on criminal investigation and case-based deduction, advancing the narrative through the unfolding of clues and the process of solving cases while building a suspenseful atmosphere—a fairly common approach within Chinese online suspense and mystery writing. Because no reliable public records exist regarding the author's nationality, dates of birth and death, education, or writing career, this introduction makes no inferences about his personal life and describes only the known direction and category of his work. Readers who wish to learn more about this author may turn to the text of My Criminal Investigation Notes for a more concrete sense of his narrative techniques and style.