About This Chapter
About This Chapter
Our nation's law enforcement system is part of the overall criminal justice system, along with the U.S. courts and the correctional system. These agencies are responsible for investigating criminal activities and administering punishment to those who are found guilty. The video lessons in this Law Enforcement in the U.S. chapter explore the roles of various police agencies. After watching the video lessons, you'll know more about:
- The levels of public and private law enforcement in the United States
- The methods by which crimes are prevented
- The Prohibition era and the ways it affected our law enforcement systems
|The History and Impact of Policing in America||Discover how the country's law enforcement systems were formed.|
|Role of Police in Democratic Societies||Discuss the primary duties of law enforcement officers.|
|Public Law Enforcement: Levels and Agencies||Learn about the three main levels of public policing.|
|Federal Law Enforcement: Agencies and Responsibilities||Explain the main duties of those who work in federal law enforcement agencies.|
|State Law Enforcement: Agencies, Roles and Models||Discover how state police agencies enforce laws.|
|Local Law Enforcement: Types, Agencies and Roles||Learn about local law enforcement agencies and the ways in which they protect citizens.|
|Private Law Enforcement: Types, Functions and Roles||Explain the functions and future of private law enforcement agencies in the United States.|
1. The History & Impact of Policing in America
Law enforcement officers work hard every day to keep us safe and keep order in America. But it wasn't always that way. Watch this lesson to find out more about the history of policing in America, including the beginnings and the impact of Prohibition.
2. Role of Police in Democratic Societies
The police work to keep everyone safe and keep order in society through law enforcement agencies that work to prevent crime and apprehend offenders. In this lesson, we'll look at the four major responsibilities of the police and problem-oriented policing.
3. Public Law Enforcement: Levels & Agencies
Police, rangers, FBI...There are so many different types and levels of law enforcement that it can get confusing. Never fear! In this lesson, we'll break down the three different levels of law enforcement and their responsibilities.
4. Federal Law Enforcement: Agencies & Responsibilities
There are so many different law enforcement agencies that it can be difficult to know who to turn to in a time of need. In this lesson, we'll examine some of the federal law enforcement agencies and their respective responsibilities.
5. State Law Enforcement: Agencies, Roles & Models
State law enforcement agencies work hard to prevent and investigate crimes within each state. But what exactly does that mean? And what types of law enforcement agencies are there? Watch this lesson to find out more.
6. Local Law Enforcement: Types, Agencies & Roles
How do we make sure that people do not commit crimes? In this lesson, we'll examine local law enforcement, including their responsibilities, the main types of local law enforcement agencies, and their relationship with the state police.
7. Private Law Enforcement: Types, Functions & Roles
Have you ever been to a mall where there was a security guard? That person is part of the world of private law enforcement. Watch this lesson to find out about the history, future, and pros and cons of private law enforcement.
Earning College Credit
Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.
To learn more, visit our Earning Credit Page
Transferring credit to the school of your choice
Not sure what college you want to attend yet? Study.com has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.
Other chapters within the Criminal Justice 101: Intro to Criminal Justice course
- Introduction to Crime & Criminology
- Theories of Crime
- Types of Crime
- Victims & Victimization in Criminal Justice
- The Criminal Justice Field
- The U.S. Court System
- Constitutional Law in the U.S.
- Criminal Law in the U.S.
- The Criminal Trial in the U.S. Justice System
- The Sentencing Process in Criminal Justice
- Criminal Justice Agencies in the U.S.
- The Role of the Police Department
- Corrections & Correctional Institutions
- The Juvenile Justice System
- Studying for Criminal Justice 101