ILLINOIS PRIVATE DETECTIVE LICENSING ACTUAL EXAM
2026/2027 PRACTICE QUESTIONS AND STUDY GUIDE
COMPLETE ACCURATE EXAM REAL QUESTIONS WITH
WELL ELABORATED ANSWERS AND DETAILED
RATIONALES (RELIABLE ANSWERS) LATEST UPDATED
VERSION 2026 EDITION |GUARANTEED PASS A+ |FULL
REVISED ILLINOIS PRIVATE DETECTIVE LICENSING REAL
EXAM |INSTANT DOWNLOAD PDF
1. Which entity is primarily responsible for licensing and regulating
private detectives in Illinois?
A) Illinois State Police
B) Illinois Department of Financial and Professional Regulation
(IDFPR)
C) Illinois Attorney General's Office
D) Local county sheriff's offices
Correct Answer: B
Rationale: The Illinois Department of Financial and Professional
Regulation (IDFPR), Division of Professional Regulation, is the
primary licensing and regulatory authority for private detectives in
Illinois. IDFPR oversees licensing, discipline, and compliance
under the Private Detective Act (225 ILCS 447).
2. What is the primary statute governing private detectives in
Illinois?
,A) The Illinois Criminal Code
B) 225 ILCS 447 (Private Detective, Private Alarm, Private Security,
Fingerprint Vendor, and Locksmith Act of 2004)
C) 225 ILCS 445 (Private Detective, Private Alarm and Private
Security Act of 1983)
D) The Illinois Administrative Procedure Act
Correct Answer: B
Rationale: The Private Detective, Private Alarm, Private Security,
Fingerprint Vendor, and Locksmith Act of 2004 is codified at 225
ILCS 447. This is the primary statute governing licensure and
regulation of private detectives in Illinois. Previous statutes such
as 225 ILCS 445 have been repealed or superseded.
3. Under the Private Detective Act, unlicensed practice as a private
detective is classified as what level of offense?
A) Petty offense
B) Class A misdemeanor
C) Class 4 felony
D) Business infraction
Correct Answer: B
,Rationale: Under 225 ILCS 447/45-50, a person who violates any
provision related to unlicensed practice shall be guilty of a Class A
misdemeanor. A second or subsequent violation is a Class 4
felony.
4. What is the minimum age requirement to apply for an Illinois
Private Detective license?
A) 18 years old
B) 20 years old
C) 21 years old
D) 25 years old
Correct Answer: C
Rationale: Under 225 ILCS 447, a person is qualified for licensure
as a private detective if the person is at least 21 years of age.
5. What is the minimum passing score on the Illinois Private
Detective licensing examination?
A) 65%
B) 70%
C) 75%
D) 80%
, Correct Answer: B
Rationale: The Illinois Private Detective Licensing Exam requires
a minimum passing score of 70%. Candidates must achieve this
score to qualify for licensure.
6. How many years of full-time investigative experience are generally
required to qualify for an Illinois private detective license?
A) 1 year
B) 2 years
C) 3 years
D) 5 years
Correct Answer: C
Rationale: Illinois requires a minimum of 3 years of verifiable full-
time investigative experience (1,500+ hours per year) to qualify for
a private investigator license. This is one of the most stringent
experience requirements in the nation. Qualifying experience can
include law enforcement, military intelligence, or work under a
licensed PI agency.
7. A person is disqualified from licensure as a private detective if they
have been convicted of a felony, unless what condition is met?
A) The conviction was for a non-violent offense only
2026/2027 PRACTICE QUESTIONS AND STUDY GUIDE
COMPLETE ACCURATE EXAM REAL QUESTIONS WITH
WELL ELABORATED ANSWERS AND DETAILED
RATIONALES (RELIABLE ANSWERS) LATEST UPDATED
VERSION 2026 EDITION |GUARANTEED PASS A+ |FULL
REVISED ILLINOIS PRIVATE DETECTIVE LICENSING REAL
EXAM |INSTANT DOWNLOAD PDF
1. Which entity is primarily responsible for licensing and regulating
private detectives in Illinois?
A) Illinois State Police
B) Illinois Department of Financial and Professional Regulation
(IDFPR)
C) Illinois Attorney General's Office
D) Local county sheriff's offices
Correct Answer: B
Rationale: The Illinois Department of Financial and Professional
Regulation (IDFPR), Division of Professional Regulation, is the
primary licensing and regulatory authority for private detectives in
Illinois. IDFPR oversees licensing, discipline, and compliance
under the Private Detective Act (225 ILCS 447).
2. What is the primary statute governing private detectives in
Illinois?
,A) The Illinois Criminal Code
B) 225 ILCS 447 (Private Detective, Private Alarm, Private Security,
Fingerprint Vendor, and Locksmith Act of 2004)
C) 225 ILCS 445 (Private Detective, Private Alarm and Private
Security Act of 1983)
D) The Illinois Administrative Procedure Act
Correct Answer: B
Rationale: The Private Detective, Private Alarm, Private Security,
Fingerprint Vendor, and Locksmith Act of 2004 is codified at 225
ILCS 447. This is the primary statute governing licensure and
regulation of private detectives in Illinois. Previous statutes such
as 225 ILCS 445 have been repealed or superseded.
3. Under the Private Detective Act, unlicensed practice as a private
detective is classified as what level of offense?
A) Petty offense
B) Class A misdemeanor
C) Class 4 felony
D) Business infraction
Correct Answer: B
,Rationale: Under 225 ILCS 447/45-50, a person who violates any
provision related to unlicensed practice shall be guilty of a Class A
misdemeanor. A second or subsequent violation is a Class 4
felony.
4. What is the minimum age requirement to apply for an Illinois
Private Detective license?
A) 18 years old
B) 20 years old
C) 21 years old
D) 25 years old
Correct Answer: C
Rationale: Under 225 ILCS 447, a person is qualified for licensure
as a private detective if the person is at least 21 years of age.
5. What is the minimum passing score on the Illinois Private
Detective licensing examination?
A) 65%
B) 70%
C) 75%
D) 80%
, Correct Answer: B
Rationale: The Illinois Private Detective Licensing Exam requires
a minimum passing score of 70%. Candidates must achieve this
score to qualify for licensure.
6. How many years of full-time investigative experience are generally
required to qualify for an Illinois private detective license?
A) 1 year
B) 2 years
C) 3 years
D) 5 years
Correct Answer: C
Rationale: Illinois requires a minimum of 3 years of verifiable full-
time investigative experience (1,500+ hours per year) to qualify for
a private investigator license. This is one of the most stringent
experience requirements in the nation. Qualifying experience can
include law enforcement, military intelligence, or work under a
licensed PI agency.
7. A person is disqualified from licensure as a private detective if they
have been convicted of a felony, unless what condition is met?
A) The conviction was for a non-violent offense only
