Special agents, also known as secret police and political police, usually perform their duties in a secret way to ensure national security against domestic threats. 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. Generally, their training is actually very simple. Generally, they first select talents and conduct technical training, such as foreign languages, psychology, fighting, local conditions and customs, tracking and anti-tracking, the establishment and management of intelligence networks, and so on. Then, they will have a long-term internship and perform special tasks after professional training. Responsibility can be summarized as: 1. Protecting important people requires self-sacrifice to protect your mission secrets. 2. Defend the security of the capital and stand up when there is danger on important occasions. For example, in the event of an explosion or shooting, we should attack quickly, arrest criminals and stop possible dangers and exhibitions. 3, the implementation of major national tasks, such as hunting, sniper important criminals, spying on information, going deep into other countries or institutions to complete special tasks. 4, when necessary, for greater interests or confidentiality needs, for the country and the Secret Service heroic dedication, sacrifice yourself. If a rescue mission fails, you must automatically quit the mission and hand it over to the next agent. The relationship between organizational agents and work in the United States. Most working relationships are not agents. Agents have certain judicial rights and powers. They can use the approved weapons and devices to carry out the approved orders such as undercover infiltration investigation to prevent arrest and killing. Some people enjoy independent priority and special immunity from the law, the right of agents to write reports, and the autonomy of task funds. Many working relationships think they are agents, but they are not. Agent is a very ambiguous word. To be sure, agents are just names for a certain kind of people, not a definite occupation. In the United States, the external CIA can be called a special agent, but the internal FBI can also be called a special agent. As far as a department is concerned, the field staff are agents, but the word agent can also be used in the back office (such as intelligence analysis \ technician). Many law enforcement agencies in the United States have agents. Many law enforcement agencies in the United States have agents. Not all of them belong to the army, such as the Ministry of Justice. The three major secret service organizations: NSA, FBI and CIA NSA are the National Security Agency, FBI, CIA and CIA.