What kind of policeman is undercover?

Undercover is a secret police, also known as political police, and is generally called a spy or spy in modern times. A policeman who usually works in secret to protect dictators or national security against domestic threats. The basic goal of the secret police is not to maintain the law, but to maintain order, security or ideological censorship in a certain area for special purposes. The secret police are sometimes used as a tool for political persecution. Their names and functions are different in different times and countries.

The duty of undercover police

The purpose of secret police is not to maintain law and order, but to protect the ruling government from attacks. It is often used as a tool for political persecution. Their names and functions are different in different times and countries. In authoritarian countries, the secret police, as the executors of national terrorism, often monitor people's thoughts, secretly punish people without trial, and commit many crimes against humanity under torture. Countries with frequent secret police activities are usually called "police countries".