Eugene francois vidocq, a Frenchman, was the first private detective in the world and lived in France in the19th century. He has a criminal record, so he went to prison. He is also a master of make-up, dressed as a gentleman, dressed as a lady, followed the suspect, then took off his hat and shouted: I am Vito! Vito was the earliest pioneer in the study of anti-crime technology (such as ballistics) in the world, and his research results were later widely used by F.B.I At the same time, he also helped the Paris police set up the first detective team and taught them secret reconnaissance technology and ballistic testing technology. Detective novelists Conan Doyle, edgar allan poe and French novelist Hugo all created heroic images in their works based on him.

Henry Chang-Yu Lee

Li Changyu 1938) was born in Rugao, Nantong, Jiangsu. He is a Chinese-American, an expert in criminal forensic science, honorary chairman of Connecticut Science Consultation Center (the chief emergency of scientific services), tenured professor at New Haven University in Connecticut, and full-time professor of forensic medicine at New Haven University.

He identified several major cases in the world, such as the murder of President Kennedy, the Nixon Watergate incident, the Clinton affair, the 9 1 1 incident, the murder of American football star Simpson's wife, the forensic investigation of Yugoslavia's mass murder, and the shooting of Lv Xiulian in March 19.

As the police chief of Connecticut, he became the first Chinese-American state police chief in the United States. Prior to that, he served as Connecticut Commissioner for Public Safety, Director of Connecticut Forensic Laboratory and Chief Criminologist from 2000 to 2000. In 2006, he established Li Changyu Institute of Forensic Medicine.

The greatest detective in China. One of the most famous, powerful and greatest detectives in the world.

Di Renjie

Di was born in the third year of Sui Dynasty, that is, in 607 (according to legend, he was born in the fourth year of Zhenguan in Tang Dynasty, that is, in 630), and died in the first year of Wu Zetian IX in Taiyuan of Tang Dynasty (now Taiyuan, Shanxi [1]). Huai Ying was an outstanding politician and detective in the Tang Dynasty.

During the Yifeng period in Tang Gaozong (676-679), the almost confused Di Renjie became Cheng Dali. In one year, a large number of backlog cases were decided, involving 17000 people. People who have done nothing wrong have become famous for a time and become great detectives who are admired by the ruling and opposition parties to solve crimes, punish evil and eliminate evil. Di Renjie's theory that the case is like a god should come from this.