Police in the USA

founded in 1626.
The first local police department was the Boston

Police Department in 1838.
The New York City Police Department was founded in 1845.
The first women were assigned as officers in California, 1910.

agencies at many different levels. Their duties varies from state

to state.
Federal Police was founded two hundred years old.
The Department of Justice (DOJ) is responsible for most law enforcement duties at the federal level. It includes the Federal Bureau of Investigation (FBI), the Drug Enforcement Administration (DEA), the Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF), the United States Marshals Service and others.
The Department of Homeland Security (DHS) is another branch with numerous federal law enforcement agencies.

including investigations and state patrols. They may be called State

Police, State Patrol or Highway Patrol.

Departments or Offices and County police.
County police tend to exist

only in metropolitan counties and have countywide jurisdiction.
Hawaii - Hawaii has only county police, there are no local police.
County police is divided into three broad categories:
Full-service
Limited service
Restricted service

generally, but not always, the highest law enforcement officer of

a county. A sheriff is in most cases elected by the population of the county. In some states the sheriff is officially titled "High Sheriff", although the title is very rarely actually used.
They provide all traditional law-enforcement functions, including countywide patrol and investigations.
Sheriffs' departments are divided into 3 categories:
Full service
Limited service
Restricted service

police.
Campus police.
Airport police.
Park police.
Police departments responsible for protection property of

government.

school diploma or a college degree, or service in the

United States military;
To be in good physical and psychological condition;
To have a valid driver's license with a clean driving record;
To be of high moral character;
Not to use narcotics or alcohol;
Not to have a history of ethical, professional or financial violations;
Not to have a history of domestic violence or mental illness;
To be legally eligible to own and carry a firearm.

on duty. Many are required to be armed on-duty and

off-duty.
Some police departments allow qualified officers to carry shotguns and/or semiautomatic rifles in their vehicles for additional firepower.

are called in to settle dangerous situations.
These units usually have

e guns, carbines or rifles, shotguns, sniper rifles, gas, smoke and grenades, and other specialized weapons .
A few departments have an armored vehicle for especially dangerous work.

communications center.
American police cars are equipped with portable computers linked

by radio to a network allowing them access to state department of motor vehicles information, criminal records, and other important information.
The number "911" is the universal emergency number for everyone in the United States. In 2000, approximately 150 million calls were made to 911, according to the National Emergency Number Association (NENA).

A police officer in full dress uniform is known as

one of the sharpest-looking people around. It is each officer's responsibility to maintain a clean, neat uniform in good repair, and to know how to wear that uniform properly. Each department has its own regulations for wearing dress uniforms, but most have similar specifications as to uniform appearance and insignia placement.