Can you recommend a foreign detective novel? What's its title?

When the male protagonist was young, he stole a diamond necklace from his mother's working owner. Later, he sold the diamonds on the necklace separately.
This was what he told himself after he grew up and became a detective. He used his small body to sneak into the window and steal it. The owner of the house never found out how it was lost. It was he who stole it.

Answer 1

"The Detective Lady of Criminal Investigation" is a mystery detective novel written by the author, Jianri. The general plot of this novel is as follows:

Looking for the truth in the fog,
Looking for the murderer in the midst of danger,
Live for the truth, die for the truth.
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The Detective Agency was a mystery detective novel written by the author, Yin Zizi. The general plot of the novel was:

The hot-blooded young man loved reasoning and embarked on a detective journey after losing his job.
He was trying to find the truth for someone, but because of a mistake in reasoning, the kidnappers killed the hostage.
From then on, he decided to become a famous detective.
To investigate all the strange cases in the world and reveal all the truth.
Remove all the impossible factors, and whatever remains, no matter how unwilling you are to believe it, is the truth. Holmes exposed human nature in the case and experienced the most real emotions in human nature.
Please do me the honor.
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Detective Fog was a suspense-mystery detective novel written by the author, Shrimp. The general plot of the novel was:

This book went from heaven to earth, including anti-terrorism, anti-drug, investigation, spy war, layout, conspiracy, serial killer, flying thief and so on. This book is set in Europe and does not involve any discrimination. It does not involve any topics related to our country. Please do not take it as your own. In addition, the Shrimp Europe plate might be different from the European plate that everyone knew. Special note: Do not attempt to translate the dialogue in English, as the author does not speak English. 10X VIP complete works, credibility guaranteed.
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"Detective Files" was a mystery detective novel written by the author, Moyla. The general plot of the novel was:

One was a beautiful woman who had returned from overseas and specialized in criminal psychology, while the other was an outspoken and wise criminal police officer. What kind of collision would there be in the face of many unsolved cases?
They worked together to investigate the case and discover the clues in other people's lives.
There was another thing in this world that was the most difficult to detect.
That was the human heart.
[New book, Detective Files 2, the excitement continues ~]
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"One Meter of Police" was a suspense-mystery detective novel written by the author, Alluring Sin. The general plot of the novel was:

[This is a serious mystery novel.]
[Honesty, Civilization, Rule of Law, Harmony, Friendship, Justice].
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Los Angeles Detective was a novel about urban life written by the author. The general plot of the novel was:

A criminal police officer transmigrated to the M Nation and became an LAPD agent. After the initial confusion, he solved many strange cases and became famous internationally. He was known as the most legendary detective in history…
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"Strange Detective Firm" was a suspense-mystery detective novel written by Ming Shaosi. The general plot of the novel was:

In the peaceful and quiet city, there was a demon-like existence. Behind the murder cases, was there a true feeling or a strange groping? With a righteous mission, he investigated these mysteries and found the truth hidden in the depths.
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"Mr. Super Detective" was an urban supernatural novel written by the author, Ying Shanhong. The general plot of this novel was:

There were five levels of honor in the international detective world, and each level corresponded to a huge difference in status.
The detective in the classical sense had already disappeared from people's sight. If it was not the police, no bystander could even enter the crime scene. The detective in the modern sense was the police, and the elite of the elite in the police world.
This was the story of a small police officer, Linley, who, through solving many major cases, had become a super detective.
Justice might be late, but it would never be absent.
This book was a pure original, brain-burning, suspense, and reasoning criminal investigation novel, not a small white text.
Criminal investigation focused on solving major cases in reality.
Welcome to the book discussion group 217244077...
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'Murderer's Hunt: The Name of Sin' was a mystery detective novel written by the author, Second Master Qian. The general plot of this novel was:

Who could tell right from wrong in this world? Who was doing evil things in the name of justice?
In the face of a complicated murder case, do you want to stick to your hot-blooded justice or calm and decisive rationality?
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A Detective Agency was a mystery novel written by Gu Xiafei. The general plot of the novel was:

This book was about a group of people with different personalities in the detective agency where the protagonist worked. Through investigating some strange cases, it reflected some of the real problems in today's society.