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Instructor’s Solutions Manual & Test Bank — Law Enforcement in the 21st Century, 4th Edition — Heath B. Grant & Karen J. Terry — ISBN 9780134158204 — Latest Update 2025/2026 — (All Chapters Covered 1–13)

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This verified Instructor’s Solutions Manual & Test Bank entry for Law Enforcement in the 21st Century (4th Edition) by Heath B. Grant and Karen J. Terry (ISBN 9780134158204) provides a comprehensive, chapter‑organized academic resource aligned with the textbook’s structure. Intended for instructors and academic catalogues, it supports policing and criminal justice coursework focused on the role of law enforcement, organizational operations, ethical challenges, and contemporary policing practices. The chapter sequence begins with Chapter 1: Law Enforcement in a Democratic Society, followed by Chapter 2: Origins and Development of Law Enforcement, Chapter 3: Law Enforcement and the Law, Chapter 4: Policing Functions and Units, Chapter 5: Policing Discretion and Behavior, Chapter 6: Patrol and Traffic, Chapter 7: Search and Seizure, Arrest, and Interrogation, Chapter 8: Investigation and Evidence Collection, Chapter 9: Policing the Police, Chapter 10: Policing Multicultural Communities, Chapter 11: Community Policing and Problem Solving, Chapter 12: Advances in Policing: New Technologies for Crime Analysis, and Chapter 13: Standards for Police Recruitment.

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Law Enforcement In The 21st Century 4th Edition
Course
Law Enforcement in the 21st Century 4th Edition











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Institution
Law Enforcement in the 21st Century 4th Edition
Course
Law Enforcement in the 21st Century 4th Edition

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Uploaded on
December 15, 2025
Number of pages
280
Written in
2025/2026
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Exam (elaborations)
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Law Enforcement in the 21st
Century 4th Edition
ST
UV

INSTRUCTOR’S
IA

SOLUTIONS
_A

MANUAL & TEST
PP

BANK
RO

Heath B. Grant

Karen J. Terry
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Comprehensive Instructor’s Solutions Manual & Test Bank for Instructors and
D?

Students


© Heath B. Grant & Karen J. Terry
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All rights reserved. Reproduction or distribution without permission is prohibited.




© DREAMSHUB

, Test Bank for Cognitive Neuroscience: The Biology of the Mind (5th
Edition)
Michael S. Gazzaniga, Richard B. Ivry, & George R. Mangun
ISBN: 9780393603170
ST

UNIT 1: FOUNDATIONS AND METHODS OF COGNITIVE
NEUROSCIENCE
1. A Brief History of Cognitive Neuroscience
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2. Structure and Function of the Nervous System
3. Methods of Cognitive Neuroscience
4. Hemispheric Specialization

UNIT 2: PERCEPTION, ATTENTION, AND ACTION
IA

5. Sensation and Perception
6. Object Recognition
7. Attention
_A

8. Action

UNIT 3: MEMORY, EMOTION, AND LANGUAGE
9. Memory
10. Emotion
PP

11. Language

UNIT 4: HIGHER-ORDER COGNITION AND CONSCIOUSNESS
12. Cognitive Control
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13. Social Cognition
14. The Consciousness Problem
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© DREAMSHUB

, CHAPTER 1

Law Enforcement in a Democratic Society

OVERVIEW
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Chapter 1 introduces the concept of linkage blindness. Linkage blindness is a central theme
which will be revisited throughout the text. This term refers to the lack of communication
between different agencies or even within agencies. The terrorist attacks on September 11 were
largely a result of linkage blindness since various law enforcement agencies or divisions of
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agencies had information on the known terrorist cells, but they did not share the information
with the correct recipients. Federal legislation known as the United States of America Patriot
Act of 2001 was enacted following 9/11, and subsequently reinforced with the USA Patriot
Improvement and Reauthorization Act in 2005. The Patriot Act widened the investigative
authority of law enforcement agencies across the country.
IA
The primary duty of the police is to maintain social control within the community. What
distinguishes the police from other individuals is their ability to use coercive force if necessary
to control a situation.
_A
Discretion, the freedom for an individual to make a decision based on his or her personal
judgment, is a necessary aspect of policing. Though police officers must respond to situations
within the parameter of the law, they should have the freedom to make a decision based on the
circumstances of a particular case. Also, an officer would find it impossible to respond to every
violation of the law; therefore, discretion is a necessary component of law enforcement.
PP
The rule of law refers to the ideal that equality and justice are inseparable, and that laws are
applied equally to everyone. The rule of law is a standard that is used to guide decision making
throughout the criminal justice system.
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All of the agencies within the criminal justice system are interlocked and must work together to
ensure justice. The three components of the criminal justice system are the police, courts, and
corrections. The police are the first agents within the criminal justice process; and once a crime
occurs, they are in charge of taking a report, investigating the crime, arresting a suspect, and
booking the suspect. The methods by which they investigate crimes will have an impact on
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whether and how the case proceeds through the criminal justice system and often whether a
conviction ensues in the case.

The crime control model emphasizes support for law enforcement over individual rights.
Advocates of this approach emphasize extensive police powers, limited rights for suspects, and
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a quick and speedy process. The due process model emphasizes individual rights with
restrictions on police power. It focuses on civil liberties and quality of arrests over quantity.

Six levels of law enforcement are present in this country: federal, state, county, municipal,
township, and tribal. The largest level is municipal, with over 40,000 municipal jurisdictions.
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As a result of the September 11 terrorist attacks on the United States, several government
agencies have been restructured. The biggest change is the creation of the Department of


1

, Homeland Security. This agency coordinates intelligence and law enforcement resources in the
war on terrorism.

LEARNING OBJECTIVES
ST
At the conclusion of the instruction for Chapter 1, the student will be able to:

 Describe the concept of linkage blindness and its importance in the criminal justice
system.
 Understand the police role in maintaining social control.
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 Explain why discretion is a necessary aspect of policing.
 Explain what is meant by the rule of law.
 Understand the role of law enforcement in the criminal justice system.
 Contrast the crime control and due process models.
 List the different levels of law enforcement.
IA
 Explain how the events of September 11 changed the structure of law enforcement
jurisdictions.

LECTURE OUTLINE
_A
1. The Police Function: Social Control and the Use of Force
a. Teaching Tip: As most students have had some experience with police in their
own neighborhoods, you should ask them how they might change the way in
which law enforcement officers control society.
PP
2. Policing within the Rule of Law: The Challenges of Discretion
3. The Delicate Balance: Crime Control versus Due Process
a. Teaching Tip: There are a number of pertinent questions that you can bring up
here that reflect concerns your students will be able to relate to in their own
experience but that also illustrate the difficulty of striking the balance between
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controlling and punishing crime and granting civil liberties and due process.
You might ask students whether they believe the crime rate a direct result of the
policy of due process, how they might feel about law enforcement agencies’
searching their homes and belongings, and how airport security measures impact
them. Your students may also have heard of the Patriot Act and have feelings
regarding it. This is also a good place to explore your students sense of
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punitiveness versus clemency, asking, for instance, whether plea bargains
should be allow in the case of violent crimes, whether convicts should be able to
serve their sentences at home rather than in correctional facilities, and how they
might punish offenders for violent crimes such as murder, rape, robbery,
burglary and robbery.
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4. The Levels of Law Enforcement
a. Municipal Agencies
i. Teaching Tip: Here, it is often helpful to have looked up and be able to
present some pictures and information of the local agencies in your
institutions jurisdiction. You should be able to identify municipal,
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county, and relevant state and transit agencies, as well as any federal
agency field offices in your jurisdiction and any recognized tribes.
b. County Agencies

2

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