1
ILLINOIS PRIVATE DETECTIVE LICENSING ACTUAL EXAM 2026/2027
PRACTICE QUESTIONS AND STUDY GUIDE COMPLETE ACCURATE EXAM
REAL QUESTIONS WITH WELL ELABORATED ANSWERS
1.
A 21-year-old applicant wants to obtain an Illinois private detective license. The
applicant has never been convicted of a felony, has maintained good moral
character, and satisfies the statutory experience requirement. Which statement
most accurately describes the minimum age requirement for Illinois private
detective licensure?
A. The applicant must be at least 25 years old before applying.
B. The applicant must be at least 18 years old and have two years of investigative
experience.
C. The applicant must be at least 21 years old.
D. The applicant must be at least 20 years old unless applying through an agency.
Answer: C
2.
An applicant for an Illinois private detective license was convicted of a felony
several years ago. The applicant argues that the conviction automatically prevents
licensure regardless of how much time has passed. Under the Illinois licensing
requirements, which statement is most accurate?
A. A felony conviction is not necessarily an absolute bar if at least 10 years have
elapsed since full discharge from the sentence imposed for the felony.
B. Any felony conviction permanently prohibits a private detective license under
all circumstances.
C. A felony conviction is irrelevant if the applicant has completed private-
investigator training.
D. A felony conviction can be ignored if the applicant has never been convicted in
Illinois.
Answer: A
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3.
An Illinois private detective applicant has several misdemeanor convictions but no
felony convictions. The applicant otherwise satisfies the licensing requirements.
Which principle concerning moral character is most accurate?
A. Any misdemeanor conviction automatically disqualifies the applicant.
B. Misdemeanors can never be considered when evaluating moral character.
C. Only convictions occurring within Illinois may be considered.
D. Crimes other than felonies may be considered in determining moral character,
but generally do not constitute an absolute bar to licensure, subject to the
statutory exception concerning registered sex offenders.
Answer: D
4.
A person applying for a private detective license was previously declared
incompetent by a court because of a mental or physical defect or disease. The
applicant later obtained a subsequent court declaration of competency. Which
statement best describes the statutory qualification?
A. The original declaration permanently prevents licensure.
B. The applicant may satisfy the requirement if a court subsequently declared the
person competent.
C. The applicant must wait exactly 10 years after the original declaration.
D. The applicant is automatically licensed after obtaining medical documentation.
Answer: B
5.
An applicant has the required investigative experience but is currently suffering
from alcohol dependence. The applicant argues that experience alone should
qualify the person for an Illinois private detective license. Which statutory
requirement is directly relevant?
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A. The applicant must own a private detective agency.
B. The applicant must have completed firearms training.
C. The applicant must not be suffering from dependence on alcohol or narcotic
addiction or dependence.
D. The applicant must have completed 40 hours of annual training.
Answer: C
6.
A prospective Illinois private detective applicant has worked full-time for a
licensed private detective agency for three years during the five years immediately
preceding the application. Assuming the other statutory requirements are
satisfied, how does this experience relate to the experience requirement?
A. It can satisfy the required qualifying investigative experience.
B. It is insufficient because only federal law-enforcement experience counts.
C. It is insufficient unless the applicant worked for five consecutive years.
D. It qualifies only if the applicant was also a police officer.
Answer: A
7.
An investigator worked full-time as an investigator for a licensed attorney during
the five years immediately preceding application and accumulated the required
three years of qualifying experience. Which statement best describes this type of
experience?
A. It cannot qualify because attorney investigators are never recognized.
B. It qualifies only if the attorney is a former police officer.
C. It automatically qualifies without Department or Board consideration.
D. It is one of the categories of investigative employment that may satisfy the
statutory experience requirement.
Answer: D
8.
, 4
A corporation wants to establish a private detective agency in Illinois. The
corporation does not have every officer individually licensed as a private
detective. Which arrangement can satisfy the statutory agency-licensing
structure?
A. No licensed individual is necessary if the corporation has insurance.
B. At least one full-time executive employee must be licensed as a private
detective, while unlicensed officers and directors must meet the Department's
good-moral-character requirements.
C. Every employee must personally hold a private detective license.
D. Only the corporation's accountant must hold a private detective license.
Answer: B
9.
An Illinois private detective agency is applying for an agency license and submits
proof of a full-time Illinois-licensed private detective licensee-in-charge. Why is
this important?
A. A full-time Illinois-licensed private detective licensee-in-charge is a continuing
requirement for agency licensure.
B. It is required only during the first month of agency operation.
C. It replaces the agency's licensing fee.
D. It is required only when the agency carries firearms.
Answer: A
10.
A sole proprietor operates a private investigative business under an assumed
business name and has no employees other than himself. Which statement most
accurately reflects the Illinois statutory treatment?
A. The proprietor must always obtain a separate agency license regardless of
circumstances.
B. The proprietor cannot use an assumed name.
C. The proprietor may operate under a DBA or assumed-name certification
ILLINOIS PRIVATE DETECTIVE LICENSING ACTUAL EXAM 2026/2027
PRACTICE QUESTIONS AND STUDY GUIDE COMPLETE ACCURATE EXAM
REAL QUESTIONS WITH WELL ELABORATED ANSWERS
1.
A 21-year-old applicant wants to obtain an Illinois private detective license. The
applicant has never been convicted of a felony, has maintained good moral
character, and satisfies the statutory experience requirement. Which statement
most accurately describes the minimum age requirement for Illinois private
detective licensure?
A. The applicant must be at least 25 years old before applying.
B. The applicant must be at least 18 years old and have two years of investigative
experience.
C. The applicant must be at least 21 years old.
D. The applicant must be at least 20 years old unless applying through an agency.
Answer: C
2.
An applicant for an Illinois private detective license was convicted of a felony
several years ago. The applicant argues that the conviction automatically prevents
licensure regardless of how much time has passed. Under the Illinois licensing
requirements, which statement is most accurate?
A. A felony conviction is not necessarily an absolute bar if at least 10 years have
elapsed since full discharge from the sentence imposed for the felony.
B. Any felony conviction permanently prohibits a private detective license under
all circumstances.
C. A felony conviction is irrelevant if the applicant has completed private-
investigator training.
D. A felony conviction can be ignored if the applicant has never been convicted in
Illinois.
Answer: A
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3.
An Illinois private detective applicant has several misdemeanor convictions but no
felony convictions. The applicant otherwise satisfies the licensing requirements.
Which principle concerning moral character is most accurate?
A. Any misdemeanor conviction automatically disqualifies the applicant.
B. Misdemeanors can never be considered when evaluating moral character.
C. Only convictions occurring within Illinois may be considered.
D. Crimes other than felonies may be considered in determining moral character,
but generally do not constitute an absolute bar to licensure, subject to the
statutory exception concerning registered sex offenders.
Answer: D
4.
A person applying for a private detective license was previously declared
incompetent by a court because of a mental or physical defect or disease. The
applicant later obtained a subsequent court declaration of competency. Which
statement best describes the statutory qualification?
A. The original declaration permanently prevents licensure.
B. The applicant may satisfy the requirement if a court subsequently declared the
person competent.
C. The applicant must wait exactly 10 years after the original declaration.
D. The applicant is automatically licensed after obtaining medical documentation.
Answer: B
5.
An applicant has the required investigative experience but is currently suffering
from alcohol dependence. The applicant argues that experience alone should
qualify the person for an Illinois private detective license. Which statutory
requirement is directly relevant?
,3
A. The applicant must own a private detective agency.
B. The applicant must have completed firearms training.
C. The applicant must not be suffering from dependence on alcohol or narcotic
addiction or dependence.
D. The applicant must have completed 40 hours of annual training.
Answer: C
6.
A prospective Illinois private detective applicant has worked full-time for a
licensed private detective agency for three years during the five years immediately
preceding the application. Assuming the other statutory requirements are
satisfied, how does this experience relate to the experience requirement?
A. It can satisfy the required qualifying investigative experience.
B. It is insufficient because only federal law-enforcement experience counts.
C. It is insufficient unless the applicant worked for five consecutive years.
D. It qualifies only if the applicant was also a police officer.
Answer: A
7.
An investigator worked full-time as an investigator for a licensed attorney during
the five years immediately preceding application and accumulated the required
three years of qualifying experience. Which statement best describes this type of
experience?
A. It cannot qualify because attorney investigators are never recognized.
B. It qualifies only if the attorney is a former police officer.
C. It automatically qualifies without Department or Board consideration.
D. It is one of the categories of investigative employment that may satisfy the
statutory experience requirement.
Answer: D
8.
, 4
A corporation wants to establish a private detective agency in Illinois. The
corporation does not have every officer individually licensed as a private
detective. Which arrangement can satisfy the statutory agency-licensing
structure?
A. No licensed individual is necessary if the corporation has insurance.
B. At least one full-time executive employee must be licensed as a private
detective, while unlicensed officers and directors must meet the Department's
good-moral-character requirements.
C. Every employee must personally hold a private detective license.
D. Only the corporation's accountant must hold a private detective license.
Answer: B
9.
An Illinois private detective agency is applying for an agency license and submits
proof of a full-time Illinois-licensed private detective licensee-in-charge. Why is
this important?
A. A full-time Illinois-licensed private detective licensee-in-charge is a continuing
requirement for agency licensure.
B. It is required only during the first month of agency operation.
C. It replaces the agency's licensing fee.
D. It is required only when the agency carries firearms.
Answer: A
10.
A sole proprietor operates a private investigative business under an assumed
business name and has no employees other than himself. Which statement most
accurately reflects the Illinois statutory treatment?
A. The proprietor must always obtain a separate agency license regardless of
circumstances.
B. The proprietor cannot use an assumed name.
C. The proprietor may operate under a DBA or assumed-name certification
