Illinois Private Detective Ultimate Exam
**Question 1.** Which of the following Illinois statutes defines the crime of
impersonating a police officer?
A) 720 ILCS 5/24-1
B) 720 ILCS 5/24-2
C) 720 ILCS 5/24-3
D) 720 ILCS 5/24-4
Answer: B
Explanation: 720 ILCS 5/24-2 specifically criminalizes impersonating a public
officer, including police officers.
**Question 2.** In Illinois, theft of property valued at $1,500 is classified as:
A) A misdemeanor
B) A felony of the first degree
C) A felony of the second degree
D) A gross misdemeanor
Answer: C
Explanation: Theft of property over $500 but less than $5,000 is a felony of the
second degree under 720 ILCS 5/16-1.
**Question 3.** Which element is NOT required to prove assault under Illinois
law?
A) Intent to cause bodily harm
B) Actual physical contact
C) Reasonable apprehension of imminent harm
D) Use of a deadly weapon
,Illinois Private Detective Ultimate Exam
Answer: D
Explanation: Assault can be committed without a weapon; the required elements
are intent, apprehension, and (for battery) contact.
**Question 4.** The Illinois Private Detective Act requires a private investigator
to keep investigative notes for at least:
A) 30 days
B) 90 days
C) 180 days
D) 1 year
Answer: C
Explanation: 225 ILCS 447/15 mandates retention of case files and notes for a
minimum of 180 days.
**Question 5.** Under the Fourth Amendment, a private detective may conduct
a warrantless search of a suspect’s home if:
A) The detective has probable cause
B) The suspect consents
C) The detective has a subpoena
D) None of the above
Answer: B
Explanation: Private citizens are not bound by the Fourth Amendment; a search is
permissible with the occupant’s consent.
**Question 6.** Illinois’ “two-party consent” eavesdropping law means:
A) Only one party must consent to recording
,Illinois Private Detective Ultimate Exam
B) All parties must consent to recording a conversation
C) Recording is prohibited in public places
D) Consent is not required if the conversation is about a crime
Answer: B
Explanation: 720 ILCS 5/14-2 requires the consent of every party to a private
conversation before it can be lawfully recorded.
**Question 7.** Which of the following is a permissible method of GPS tracking a
suspect’s vehicle in Illinois?
A) Placing a tracker without the suspect’s knowledge for any purpose
B) Installing a tracker after obtaining a court order or the suspect’s consent
C) Using a tracker only during daylight hours
D) None of the above
Answer: B
Explanation: Illinois law treats GPS tracking as a search; it requires a warrant or
the target’s consent.
**Question 8.** A private investigator who discovers a client’s plan to commit
fraud is:
A) Required to report to law enforcement immediately
B) Allowed to ignore the information
C) Obligated to report only if the investigator has a fiduciary duty
D) Not required to report unless subpoenaed
Answer: D
Explanation: Private detectives are not mandated reporters of future crimes
unless they receive a subpoena or court order.
, Illinois Private Detective Ultimate Exam
**Question 9.** The Illinois “Citizen’s Arrest” statute permits a private person to
detain a suspect for:
A) Any misdemeanor
B) A felony committed in the person’s presence
C) Any felony, regardless of location
D) Only violent crimes
Answer: B
Explanation: 720 ILCS 5/7-1 allows a citizen’s arrest for a felony committed in the
arresting party’s presence.
**Question 10.** Which of the following best describes the “chain of custody”
requirement for digital evidence?
A) Evidence must be stored on a USB drive only
B) Every transfer of the evidence must be documented with date, time, and
handler
C) Evidence can be altered as long as the original file is saved
D) Chain of custody is irrelevant for electronic data
Answer: B
Explanation: Maintaining a documented chain of custody ensures that digital
evidence is not tampered with and remains admissible.
**Question 11.** In Illinois, a private detective must hold a Firearm Control Card
(FCC) if they:
A) Carry a firearm while on duty
B) Own a firearm for personal use
**Question 1.** Which of the following Illinois statutes defines the crime of
impersonating a police officer?
A) 720 ILCS 5/24-1
B) 720 ILCS 5/24-2
C) 720 ILCS 5/24-3
D) 720 ILCS 5/24-4
Answer: B
Explanation: 720 ILCS 5/24-2 specifically criminalizes impersonating a public
officer, including police officers.
**Question 2.** In Illinois, theft of property valued at $1,500 is classified as:
A) A misdemeanor
B) A felony of the first degree
C) A felony of the second degree
D) A gross misdemeanor
Answer: C
Explanation: Theft of property over $500 but less than $5,000 is a felony of the
second degree under 720 ILCS 5/16-1.
**Question 3.** Which element is NOT required to prove assault under Illinois
law?
A) Intent to cause bodily harm
B) Actual physical contact
C) Reasonable apprehension of imminent harm
D) Use of a deadly weapon
,Illinois Private Detective Ultimate Exam
Answer: D
Explanation: Assault can be committed without a weapon; the required elements
are intent, apprehension, and (for battery) contact.
**Question 4.** The Illinois Private Detective Act requires a private investigator
to keep investigative notes for at least:
A) 30 days
B) 90 days
C) 180 days
D) 1 year
Answer: C
Explanation: 225 ILCS 447/15 mandates retention of case files and notes for a
minimum of 180 days.
**Question 5.** Under the Fourth Amendment, a private detective may conduct
a warrantless search of a suspect’s home if:
A) The detective has probable cause
B) The suspect consents
C) The detective has a subpoena
D) None of the above
Answer: B
Explanation: Private citizens are not bound by the Fourth Amendment; a search is
permissible with the occupant’s consent.
**Question 6.** Illinois’ “two-party consent” eavesdropping law means:
A) Only one party must consent to recording
,Illinois Private Detective Ultimate Exam
B) All parties must consent to recording a conversation
C) Recording is prohibited in public places
D) Consent is not required if the conversation is about a crime
Answer: B
Explanation: 720 ILCS 5/14-2 requires the consent of every party to a private
conversation before it can be lawfully recorded.
**Question 7.** Which of the following is a permissible method of GPS tracking a
suspect’s vehicle in Illinois?
A) Placing a tracker without the suspect’s knowledge for any purpose
B) Installing a tracker after obtaining a court order or the suspect’s consent
C) Using a tracker only during daylight hours
D) None of the above
Answer: B
Explanation: Illinois law treats GPS tracking as a search; it requires a warrant or
the target’s consent.
**Question 8.** A private investigator who discovers a client’s plan to commit
fraud is:
A) Required to report to law enforcement immediately
B) Allowed to ignore the information
C) Obligated to report only if the investigator has a fiduciary duty
D) Not required to report unless subpoenaed
Answer: D
Explanation: Private detectives are not mandated reporters of future crimes
unless they receive a subpoena or court order.
, Illinois Private Detective Ultimate Exam
**Question 9.** The Illinois “Citizen’s Arrest” statute permits a private person to
detain a suspect for:
A) Any misdemeanor
B) A felony committed in the person’s presence
C) Any felony, regardless of location
D) Only violent crimes
Answer: B
Explanation: 720 ILCS 5/7-1 allows a citizen’s arrest for a felony committed in the
arresting party’s presence.
**Question 10.** Which of the following best describes the “chain of custody”
requirement for digital evidence?
A) Evidence must be stored on a USB drive only
B) Every transfer of the evidence must be documented with date, time, and
handler
C) Evidence can be altered as long as the original file is saved
D) Chain of custody is irrelevant for electronic data
Answer: B
Explanation: Maintaining a documented chain of custody ensures that digital
evidence is not tampered with and remains admissible.
**Question 11.** In Illinois, a private detective must hold a Firearm Control Card
(FCC) if they:
A) Carry a firearm while on duty
B) Own a firearm for personal use
