Does investigation belong to the category of law?

According to the relevant information of the Senior Three Network, the investigation major belongs to law and the discipline belongs to public security. Investigation, criminal law and criminal procedure law constitute the three pillars of our criminal law.

The first undergraduate major of investigation in New China was born in Southwest University of Political Science and Law in 1979. Zhou Yingde, the first professor of investigation in China, is also from Southwest University of Political Science and Law, and is the first undergraduate textbook of investigation in China. The first batch of masters in investigation in China all came from Southwest University of Political Science and Law.