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DSST® Study Guide
Printable PDF · 35 pages
DSST Introduction to Law Enforcement Study Guide
Everything the DSST Introduction to Law Enforcement exam tests, in one PDF you can print. Built from Prometric's official outline, heaviest topics first.
- 180 key terms, each with an example
- 42 practice questions with every answer explained
- A 2-page cram sheet for the night before
- 2-, 4- and 8-week study plans built from the exam weights
Last updated 2026 · exam details checked against Prometric's published exam information in 2026
Look inside the guide
Real pages from the 35-page PDF.
What you get for $5
One chapter for each official content area, in the order the exam weighs them.
- 📘35pages, printable
- 🧭5chapters, heaviest first
- 🔑180terms with examples
- ✍️42practice questions, answers explained
- ⚠️15exam traps to avoid
- 📄2page cram sheet
Try 10 free Introduction to Law Enforcement questions
In the style of the real exam, from all 5 areas. About 10 minutes, with every answer explained and a score by area.
10 questions
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Question 1 · Law Enforcement Organization, Management, and Issues
A department finds that most of its robberies occur on a handful of street corners. It assigns officers to spend set periods at those corners each shift. This is best described as
Show the answer
Answer: A. directed patrol. Directed patrol sends officers to specific places and times that crime analysis has identified as problems.
The trap: Preventive patrol is tempting because patrol is involved, but it is random and general, while this assignment is targeted.
Directed patrol sends officers to specific places and times that crime analysis has identified as problems.
The trap: Preventive patrol is tempting because patrol is involved, but it is random and general, while this assignment is targeted.
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Question 2 · Overview of United States Criminal Justice System and Process
After arresting a suspect, an officer takes her to the station, where her fingerprints and photograph are taken and her information is entered in the police record. This step is called
Show the answer
Answer: B. booking. Booking is the administrative record of an arrest, including prints and a photograph.
The trap: Arraignment was wrong because it is a court proceeding in which charges are read and a plea entered.
Booking is the administrative record of an arrest, including prints and a photograph.
The trap: Arraignment was wrong because it is a court proceeding in which charges are read and a plea entered.
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Question 3 · Law Enforcement Systems in the United States
A single county has a sheriff, three town departments, a university force and a transit police unit, none of which answers to the others. This illustrates the
Show the answer
Answer: D. fragmentation of policing. Thousands of independent agencies, each with its own jurisdiction, is the fragmentation of policing.
The trap: Chain of command was wrong because it describes the line of authority inside a single agency.
Thousands of independent agencies, each with its own jurisdiction, is the fragmentation of policing.
The trap: Chain of command was wrong because it describes the line of authority inside a single agency.
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Question 4 · Criminal and Constitutional Law and Precedents
At 2 a.m., an officer sees a man walk slowly along a row of parked cars, look into each one, then walk away fast when he notices the patrol car. The officer has
Show the answer
Answer: C. reasonable suspicion, enough for a brief stop. Specific facts suggest a car break-in may be underway, which is reasonable suspicion and supports a brief stop under Terry.
The trap: Probable cause is tempting, but no crime has been seen; the facts suggest possible crime, not a fair probability that one occurred.
Specific facts suggest a car break-in may be underway, which is reasonable suspicion and supports a brief stop under Terry.
The trap: Probable cause is tempting, but no crime has been seen; the facts suggest possible crime, not a fair probability that one occurred.
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Question 5 · History of Law Enforcement
A colonial town in the 1700s relied on unpaid citizens to walk the streets at night, call out the hour and raise an alarm. This arrangement was borrowed most directly from
Show the answer
Answer: C. the English constable and watch tradition. Colonists copied England's constables and night watchmen, which dated back centuries.
The trap: London's Metropolitan Police was wrong because it was created in 1829, long after the colonial period.
Colonists copied England's constables and night watchmen, which dated back centuries.
The trap: London's Metropolitan Police was wrong because it was created in 1829, long after the colonial period.
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Question 6 · Law Enforcement Organization, Management, and Issues
When Kansas City police varied the amount of routine car patrol among beats for a year in the early 1970s, researchers found that more patrol
Show the answer
Answer: B. had no effect on crime, fear or citizen satisfaction. The Kansas City Preventive Patrol Experiment found no meaningful differences among beats with more, normal or no routine patrol.
The trap: Raising satisfaction while crime stayed the same is the Newark foot patrol finding, not Kansas City's.
The Kansas City Preventive Patrol Experiment found no meaningful differences among beats with more, normal or no routine patrol.
The trap: Raising satisfaction while crime stayed the same is the Newark foot patrol finding, not Kansas City's.
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Question 7 · Overview of United States Criminal Justice System and Process
A prosecutor learns that the only eyewitness has changed her story and concludes the case cannot be won. The prosecutor files a notice that the state will not go forward. This is a
Show the answer
Answer: D. nolle prosequi. A nolle prosequi is the prosecutor's formal decision to drop charges.
The trap: A plea bargain was wrong because it needs the defendant to plead guilty in exchange for something.
A nolle prosequi is the prosecutor's formal decision to drop charges.
The trap: A plea bargain was wrong because it needs the defendant to plead guilty in exchange for something.
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Question 8 · Law Enforcement Systems in the United States
A county official who answers directly to voters runs the county jail and sends deputies to patrol rural areas. This official is the
Show the answer
Answer: A. The sheriff. In most states the sheriff is elected and runs the jail as well as patrolling outside city limits.
The trap: The county police chief was wrong because that office is appointed rather than elected.
In most states the sheriff is elected and runs the jail as well as patrolling outside city limits.
The trap: The county police chief was wrong because that office is appointed rather than elected.
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Question 9 · Criminal and Constitutional Law and Precedents
A suspect in custody is questioned for hours without being told he may remain silent. Under Miranda v. Arizona (1966), his statements will most likely be
Show the answer
Answer: A. excluded from the prosecution's case. Statements from custodial interrogation without warnings generally cannot be used by the prosecution.
The trap: Saying the statements are admitted because he was arrested ignores that Miranda attaches to custody plus questioning.
Statements from custodial interrogation without warnings generally cannot be used by the prosecution.
The trap: Saying the statements are admitted because he was arrested ignores that Miranda attaches to custody plus questioning.
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Question 10 · History of Law Enforcement
A reformer proposes a uniformed, paid force organized to prevent crime and judged by the absence of crime and disorder, not by arrests. These ideas are best known as the
Show the answer
Answer: D. Peelian principles. The Peelian principles came with the 1829 London force and stress prevention and public approval.
The trap: The Wickersham Commission report was wrong because it was a 1931 American report about brutality and training.
The Peelian principles came with the 1829 London force and stress prevention and public approval.
The trap: The Wickersham Commission report was wrong because it was a 1931 American report about brutality and training.
The DSST Introduction to Law Enforcement exam at a glance
The DSST Introduction to Law Enforcement exam is a 120-minute, computer-based test from Prometric with about 100 multiple-choice questions. A score of 400 on the 200–500 scale earns an ACE credit recommendation of 3 semester hours, though each college sets its own policy. The exam covers 5 content areas; the heaviest is Law Enforcement Organization, Management, and Issues at 40%.
- Questions
- About 100multiple choice
- Time
- 120 minabout 72 seconds a question
- Passing score
- 400on a 200–500 scale
- ACE credit
- 3semester hours
- Exam fee
- $100paid to Prometric
- Calculator
- Nonot allowed
Source: official DSST Introduction to Law Enforcement exam page.
What the exam covers
5 areas, heaviest first. The guide's chapters follow this order.
- Law Enforcement Organization, Management, and Issues40%
- Overview of United States Criminal Justice System and Process22%
- Law Enforcement Systems in the United States15%
- Criminal and Constitutional Law and Precedents15%
- History of Law Enforcement8%
How it works
- 1Buy once, $5Secure checkout. No subscription needed.
- 2Download the PDFFrom your TransferCredit.org account, right away and any time later.
- 3Study the heaviest areas firstFollow the 2-, 4- or 8-week plan, then read the cram sheet the night before.
Questions students ask
What's in the full DSST Introduction to Law Enforcement study guide?
35 pages: 5 chapters, one per official content area, heaviest first. 180 terms, each with a plain-English definition and an example, 16 key people, common traps and memory tricks, 42 practice questions with an answer key that explains every answer, question tactics, 2-, 4- and 8-week study plans and a 2-page cram sheet.
How much is the full DSST Introduction to Law Enforcement study guide?
The full 35-page PDF is $5, a one-time payment. The 10 practice questions on this page are free, with no account.
What does the $29 plan include?
$29 a month gives you all DSST subjects: every DSST study guide plus the full prep course for each subject, and you can cancel anytime. If you only need this exam, the guide on its own is a one-time $5.
How do I get the full guide?
Choose Buy this guide ($5) and check out. Then sign in to your TransferCredit.org account, then open the course and its Download Your Study Guide lesson. The PDF is yours to keep, and you can download it again from your account at any time.
Can I print the guide or use it on my phone?
Yes. It's a PDF, so it opens on phones, tablets and computers, and printing is allowed. Its tick boxes and answer bubbles work in PDF readers that support forms. Copying and editing are turned off.
Is this an official DSST study guide?
No. DSST® is a registered trademark of Prometric, which was not involved in producing this guide and does not endorse it. TransferCredit.org is independent. We built the guide from the official exam outline, and the exam details were checked against Prometric's published exam information in 2026.
Why is this study guide better than a generic review?
It follows the official outline area by area and spends the most pages on what the exam weighs most. Every term comes with an example, each chapter names the traps the exam sets, and the answer key explains why the most tempting wrong answer is wrong, not just which answer is right. It ends with a 2-page cram sheet for the night before.
What is the DSST Introduction to Law Enforcement exam?
The DSST Introduction to Law Enforcement exam is a 120-minute, computer-based test from Prometric with about 100 multiple-choice questions. A score of 400 on the 200–500 scale earns an ACE credit recommendation of 3 semester hours, though each college sets its own policy. The exam covers 5 content areas; the heaviest is Law Enforcement Organization, Management, and Issues at 40%.
More questions about the DSST Introduction to Law Enforcement exam (21)
How many questions are on the DSST Introduction to Law Enforcement exam, and how long is it?
It has 100 questions to be answered in 2 hours. Some questions are pretest questions that will not be scored.
What is the passing score for DSST Introduction to Law Enforcement?
The passing score is 400 on a 200–500 scale. At 400 or above, the American Council on Education (ACE) recommends 3 semester hours. Each college sets its own passing score and credit award, so check your school's policy before you book.
How much does the DSST Introduction to Law Enforcement exam cost?
The exam fee is $100, paid to Prometric. Test centers may add their own administration fee. Eligible U.S. military service members can usually test for free through DANTES.
How many college credits is DSST Introduction to Law Enforcement worth?
ACE recommends 3 semester hours for a passing score of 400. Your college decides how many credits it awards and which course they replace. Check your college's policy.
Is there a penalty for guessing on DSST Introduction to Law Enforcement?
No. Your score counts only correct answers, so a wrong answer costs nothing. Never leave a question blank: rule out what you can and pick your best guess.
What topics are on the DSST Introduction to Law Enforcement exam?
5 content areas, from the official outline: Law Enforcement Organization, Management, and Issues (40%); Overview of United States Criminal Justice System and Process (22%); Law Enforcement Systems in the United States (15%); Criminal and Constitutional Law and Precedents (15%); History of Law Enforcement (8%).
Which DSST Introduction to Law Enforcement topics should I study first?
Start with the three heaviest: Law Enforcement Organization, Management, and Issues (40%), Overview of United States Criminal Justice System and Process (22%) and Law Enforcement Systems in the United States (15%). Together they are about 77% of the exam, roughly 77 of 100 questions. The guide's chapters run in that order, heaviest first.
Is the DSST Introduction to Law Enforcement exam hard?
It depends on what you already know. A few big areas decide most of your score: Law Enforcement Organization, Management, and Issues alone is 40% of the exam, while History of Law Enforcement is 8%. Take the free diagnostic above to see where you stand in about 10 minutes.
What kinds of questions are on the DSST Introduction to Law Enforcement exam?
The guide sorts them into 5 types: “Direct identification”, “Origins and history”, “Best definition or look-alike terms”, “Scenario and application” and “Constitutional amendment or case match”. Every question has 4 answer choices. Try the 10 free questions above to see the style.
How long should I study for DSST Introduction to Law Enforcement?
Use the diagnostic to decide. If you already know most areas, two weeks of daily review is often enough; if the subject is new to you, plan on eight. The full guide has 2-, 4- and 8-week plans built from the exam weights.
How should I pace myself on the DSST Introduction to Law Enforcement exam?
On average you have about 72 seconds per question (120 minutes for 100 questions). Be past question 33 a third of the way through and past question 67 two-thirds through. If a question takes more than a minute, pick your best guess, mark it and come back.
What happens if I don't pass DSST Introduction to Law Enforcement?
You can retake a DSST exam after 30 days. Use the wait to work through the areas the score report and the diagnostic show you missed.
Do colleges accept DSST Introduction to Law Enforcement for credit?
DSST exams are accepted at more than 1,500 colleges and universities, but each school decides which exams it accepts, the score it requires and the credit it gives. Look up your college's DSST policy before you book.
How up to date is this DSST Introduction to Law Enforcement guide?
Last updated 2026. The exam details were checked against Prometric's published exam information in 2026. Exams change, so confirm the details on the official exam page before you register.
What should I do the night before the exam?
Read the cram sheet once, slowly. Check your test time, the location or remote-proctoring setup, and the ID you need. Then sleep: a rested brain recalls more than a crammed one. In the morning, skim the memory tricks and common traps, then stop studying.
Which Supreme Court cases should I know?
Start with Mapp v. Ohio, Miranda v. Arizona, Terry v. Ohio, Gideon v. Wainwright, Tennessee v. Garner and Graham v. Connor, plus the Fourth, Fifth and Sixth Amendments.
Which police history figures should I know for DSST Introduction to Law Enforcement?
Start with Sir Robert Peel, who founded London's Metropolitan Police in 1829 and whose principles shaped American policing, then August Vollmer and O.W. Wilson, who led the push to professionalize U.S. police in the 20th century. History of Law Enforcement is 8% of the exam and includes the contributions of key theorists and practitioners.
How is crime measured on DSST Introduction to Law Enforcement?
Know the FBI's Uniform Crime Reports (UCR), the National Incident-Based Reporting System (NIBRS), and the National Crime Victimization Survey (NCVS), which captures crimes never reported to police. Measurement of crime falls under the criminal justice system and process area, 22% of the exam.
What current policing issues are on DSST Introduction to Law Enforcement?
The organization, management and issues area, 40% of the exam, covers community relations and community policing, women and minorities in policing, and emerging issues the DSST outline names directly: cybercrime, homeland security and police militarization.
How is this different from DSST Criminal Justice?
Criminal Justice covers crime, police, courts and corrections equally. Introduction to Law Enforcement focuses on policing: its history, agencies, management, issues and case law.
Can I take DSST Introduction to Law Enforcement online?
Yes. DSST exams can be taken at a test center or online with a remote Prometric proctor.
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DSST® is a registered trademark of Prometric, which was not involved in producing this guide and does not endorse it. TransferCredit.org is independent and not affiliated with Prometric. © 2026 UPI Globale Edu Inc.