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Ch 6: Law Enforcement in the U.S.: Help and Review

About This Chapter

The Law Enforcement in the U.S. chapter of this Intro to Criminal Justice: Help & Review course is the simplest way to master law enforcement in the U.S. This chapter uses simple and fun videos that are about five minutes long, plus lesson quizzes and a chapter exam to ensure you learn the essentials of law enforcement in the U.S.

Who's It For?

Anyone who needs help learning or mastering U.S. law enforcement material will benefit from the lessons in this chapter. There is no faster or easier way to learn about law enforcement in the U.S. Among those who would benefit are:

  • Students who have fallen behind in understanding the history, types, and agencies of law enforcement
  • Students who struggle with learning disabilities or learning differences, including autism and ADHD
  • Students who prefer multiple ways of learning about criminal justice (visual or auditory)
  • Students who have missed class time and need to catch up
  • Students who need an efficient way to learn about U.S. law enforcement
  • Students who struggle to understand their teachers
  • Students who attend schools without extra criminal justice learning resources

How It Works:

  • Find videos in our course that cover what you need to learn or review.
  • Press play and watch the video lesson.
  • Refer to the video transcripts to reinforce your learning.
  • Test your understanding of each lesson with short quizzes.
  • Verify you're ready by completing the U.S. law enforcement chapter exam.

Why It Works:

  • Study Efficiently: Skip what you know, review what you don't.
  • Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
  • Be Ready on Test Day: Use the U.S. law enforcement chapter exam to be prepared.
  • Get Extra Support: Ask our subject-matter experts any U.S. law enforcement question. They're here to help!
  • Study With Flexibility: Watch videos on any web-ready device.

Students Will Review:

This chapter helps students review the concepts in a U.S. law enforcement unit of a standard criminal justice course. Topics covered include:

  • The history and impact of policing in the U.S.
  • The function of police in democratic societies
  • Public law enforcement levels and agencies
  • Local, state, and federal law enforcement responsibilities
  • Private law enforcement

26 Lessons in Chapter 6: Law Enforcement in the U.S.: Help and Review
The History & Impact of Policing in America

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.

Role of Police in Democratic Societies

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.

Public Law Enforcement: Levels & Agencies

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.

Federal Law Enforcement: Agencies & 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.

State Law Enforcement: Agencies, Roles & Models

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.

Local Law Enforcement: Types, Agencies & Roles

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.

Private Law Enforcement: Types, Functions & Roles

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.

The Terry Stop: Definition & Overview

8. The Terry Stop: Definition & Overview

Police officers have several rules that they must follow when they are out on the streets. In this lesson, you will learn what a Terry Stop is and why it's so important for a patrol officer to understand this particular guideline.

Decriminalization of Cannabis: Definition, Pros & Cons

9. Decriminalization of Cannabis: Definition, Pros & Cons

Some people believe that cannabis is a victimless drug that should be legal while others believe that cannabis is harmful and addictive and should be illegal. This lesson defines decriminalization of cannabis and explores its many pros and cons.

Drug Interdiction: Definition & Meaning

10. Drug Interdiction: Definition & Meaning

This lesson will provide an introduction to drug interdiction, its purpose, and its challenges. The student will have a basic knowledge of drug interdiction as it applies to basic law enforcement.

Zero-Tolerance Policing: Definition & History

11. Zero-Tolerance Policing: Definition & History

In this lesson, zero tolerance policing will be defined, an example will be given, and pros and cons will be discussed. There will be a short quiz at the end.

Alice Stebbins Wells: Biography

12. Alice Stebbins Wells: Biography

In this lesson, we will discuss the background of the first policewoman with arrest powers in the United States. Following the biographical information, there will be quiz questions to review your understanding.

The Marijuana Tax Act of 1937

13. The Marijuana Tax Act of 1937

Did you know that marijuana was legal for centuries in the United States and has only recently been criminalized? Learn about the Marijuana Tax Act of 1937.

The War on Drugs: History, Statistics & Facts

14. The War on Drugs: History, Statistics & Facts

The War on Drugs has been a political hotspot since the early 1970s when President Nixon highlighted an increase in juvenile drug and street crimes. Let's examine the history and statistics of the War on Drugs.

The Kansas City Preventative Patrol Experiment

15. The Kansas City Preventative Patrol Experiment

In this lesson, you will review the concept of routine police patrols as well as the findings of The Kansas City Preventative Patrol Experiment. You will analyze the relationship between an increased visible police presence and crime reduction.

Directed Patrol in Criminology: Definition & Overview

16. Directed Patrol in Criminology: Definition & Overview

Directed patrol is a tactic used by law enforcement agencies to try to reduce or stop crime in specific or problematic areas. This lesson is an overview of that topic.

Ballistics: Definition & Overview

17. Ballistics: Definition & Overview

This lesson will review ballistics by defining the term and providing an overview of what ballistics consists of. The forensic nature of ballistics will also be discussed.

Preventive Patrol: Definition & Examples

18. Preventive Patrol: Definition & Examples

This lesson will define the concept of preventive patrol and how it is different from community policing. Examples of preventive patrol practices and an analysis of the Kansas City preventive patrol experiment will be provided.

Intelligence-Led Policing: Definition & Examples

19. Intelligence-Led Policing: Definition & Examples

Intelligence-led policing combines data and information with a top-down business like operational model used to address specific crime issues. Information is analyzed to identify trends, locations and offenders which allows top police executives to efficiently dispatch officers and resources to eliminate serious crimes perpetrated by serious, but small groups of offenders.

Proactive Policing: Definition & Strategies

20. Proactive Policing: Definition & Strategies

In this lesson we will consider and evaluate the concept of 'proactive policing' and then examine current policing strategies. Following the lesson, a brief quiz will allow you to test what you have learned.

Compstat Policing: Definition, Process & Model

21. Compstat Policing: Definition, Process & Model

Compstat is a tool that helps police officers fight crime. This lesson will outline what Compstat is, how it works, and how police department use it to improve their staff knowledge and outcomes.

August Vollmer: Biography & Contributions

22. August Vollmer: Biography & Contributions

Learn who August Vollmer was, and why he is a key figure in modern day law enforcement. Review his biography and examine the contributions he made to the criminal justice system in the United States.

Department of Homeland Security: Definition, History & Agencies

23. Department of Homeland Security: Definition, History & Agencies

Learn about the history of the Department of Homeland Security in this lesson. Discover the origins of the Department and its agencies, and see how the Department aims to fight terrorism and protect the United States.

What is a Capias Warrant? - Definition & Types

24. What is a Capias Warrant? - Definition & Types

This lesson will cover the definition and the meaning behind the Capias Warrant. The different types of Capias Warrant will also be covered. Additional examples of what a Capias Warrant would look like in an actual setting will be provided.

Prima Facie Obligation Example: Obeying the Law

25. Prima Facie Obligation Example: Obeying the Law

What is Prima Facie? In law enforcement, you may hear that you have a prima facie duty, a duty to obey the law or else face the consequences. In this lesson, you will learn what prima facie is and how prima facie will help you in both your professional and personal growth.

Prima Facie Tort: Definition & Elements

26. Prima Facie Tort: Definition & Elements

To make a personal injury case, at a minimum, the plaintiff must prove that the defendant had a duty to not harm the plaintiff, that the defendant breached that duty and such brief was the cause of actual damages. In this lesson we will learn what it means to make a prima facie tort case including all of the necessary elements.

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