According to the types, there are ordinary police, congressional police and police in different jurisdictions such as parliament, parks and universities. According to the affiliation, there are law enforcement agencies affiliated to the Ministry of Justice and the Department of Homeland Security, and there are also police officers responsible to local governments at all levels. There is no unified national police department in the United States, so there is no unified national police title. The local police stations in each federal state have their own ways, and most of them are combined with their posts and police titles.
Extended data
American police
1, according to the statistics in 2006, "there are more than 8000 police law enforcement agencies, 3088 county police stations, 13578 city police stations, 49 state police stations (except Hawaii), 50 federal law enforcement agencies and 1626 special police departments in the United States (.
2. There are 920,000 policemen in the United States, and the ratio of policemen to population is 10 policemen/100 square kilometers. Among them, there are 660,000 regular policemen and more than 260,000 civilians. Judging from the number and scale of police stations, most police stations have no more than 100 on average, more than 800 police stations have only 1 to two regular police officers, and only 38 police stations have more than 1000.
There are more than 80 kinds of federal police in America. Every state has its own state police (except Hawaii), and every local government (including counties, cities, towns and villages) also has its own police system. So many police systems are independent of each other, and of course they wear different uniforms.
4. For example, the state police are only responsible to the state government, not to the federal police, and the municipal police are only responsible to the municipal government, not to the federal police or the state police. Of course, they still cooperate with each other in business.
Baidu Encyclopedia-American Police System