CJ-101: Introduction to Criminal Justice

This online criminal justice course provides an overview of the American justice system, covering crime, policing, courts, and corrections. Students will study how crime is measured, the development of criminal law, and the roles of justice professionals while exploring ethical issues and contemporary challenges. With a focus on both theory and application, this course is ideal for learners pursuing careers in law enforcement, legal studies, corrections, or public service.

Course Description

CJ-101: Introduction to Criminal Justice is an online criminal justice course that introduces students to the foundations, structure, and processes of the U.S. justice system. Using Introduction to Criminal Justice (18th Edition) by Siegel and Worrall, the course examines the nature and extent of crime, the development and enforcement of criminal law, and the functions of policing, courts, and corrections.

Students will explore how crime is measured and studied, the organization and responsibilities of policing agencies, and the constitutional protections that guide law enforcement practices. The course also covers trial procedures, sentencing, punishment, correctional institutions, and community-based alternatives. Contemporary issues—such as juvenile justice, restorative justice, and emerging crime trends—are analyzed to provide a modern perspective on the field.

By the end of the course, students will have a strong foundational understanding of the American criminal justice system and its real-world applications, making it a valuable starting point for those considering careers in law enforcement, corrections, or related public service fields.

Textbook: Introduction to Criminal Justice by Larry J. Siegel, John L. Worrall | 18th Edition | Copyright 2027

Course Objectives

Explain the structure and functions of the criminal justice system in the United States.

Analyze crime trends and evaluate how crime is measured and studied.

Apply knowledge of criminal law, procedure, and constitutional protections to real-world scenarios.

Assess the organization, roles, and ethical issues faced by policing agencies.

Evaluate the processes of adjudication, punishment, sentencing, and corrections.

Discuss contemporary challenges in criminal justice, including juvenile justice and evolving crime landscapes.

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Course Contents

Crime and Criminal Justice – Foundations of the System

The Nature and Extent of Crime – Measuring and Understanding Crime

Criminal Law: Substance and Procedure – Legal Frameworks

Public Policing and Private Security – Roles and Responsibilities

The Police: Organization, Role, and Function

Issues in Policing – Ethics and Professional Challenges

Police and the Rule of Law – Constitutional and Legal Limits

Court Structure and Personnel – Organization of the Courts

Pretrial and Trial Procedures – From Arrest to Verdict

Punishment and Sentencing – Theories and Practices

Community Sentences – Probation, Intermediate Sanctions, Restorative Justice

Corrections – History, Institutions, and Populations

Prison Life – Living in and Leaving Prison

Juvenile Justice – System and Processes

The Evolving Crime Landscape – Modern and Future Challenges

Single Course or Program Option

This course may be purchased individually or as part of the certificate programs listed below.

Criminal Justice

Recommended Prerequisites

Accreditation You Can Trust

Washington Technical Institute is fully accredited by the Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS)—a regional accrediting agency recognized for setting high standards in education. This accreditation affirms that our programs, operations, and outcomes meet rigorous academic and institutional benchmarks. MSA-CESS accreditation is a mark of quality that ensures our students receive an education that is both credible and respected. It also means WTI is committed to continuous improvement, student success, and accountability at every level.