International Association For
Identification Crime Scene Investigator
Certification Examination Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary purpose of securing a crime scene?
A. To allow media access
B. To preserve evidence integrity
C. To question witnesses
D. To clean the area
Answer: B
Rationale: Securing a crime scene is essential to prevent contamination,
loss, or alteration of physical evidence. This ensures that all potential
evidence remains in its original state for accurate documentation and
forensic analysis.
2. Which of the following is the first responding officer’s most important
responsibility?
A. Collecting all evidence
B. Interviewing suspects
C. Securing the scene
D. Writing lab reports
Answer: C
Rationale: The first responder must prioritize scene security to prevent
, unauthorized access and contamination before any investigative or
evidence collection activities begin.
3. Chain of custody refers to:
A. Suspect interrogation sequence
B. Evidence transportation route
C. Documentation of evidence handling
D. Crime scene sketching process
Answer: C
Rationale: Chain of custody is the documented and unbroken record
showing who collected, handled, transferred, or analyzed evidence,
ensuring its integrity in court.
4. Which tool is commonly used to measure tire impressions?
A. Thermometer
B. Measuring tape
C. Spectrometer
D. Caliper microscope
Answer: B
Rationale: A measuring tape is used to document the size, spacing, and
pattern of tire impressions at a scene for later comparison and
reconstruction.
5. Latent fingerprints are:
A. Visible without enhancement
B. Made of ink
C. Not visible to the naked eye
D. Always bloody
Answer: C
Rationale: Latent fingerprints are invisible impressions left by sweat and
oils and require development techniques such as powder or chemical
processing.
6. The main goal of crime scene photography is to:
A. Replace sketching
, B. Record only evidence
C. Provide permanent visual documentation
D. Identify suspects
Answer: C
Rationale: Photography creates an objective, permanent visual record of
the scene and evidence before anything is disturbed or collected.
7. What is the function of an evidence marker?
A. Clean evidence
B. Identify and locate evidence
C. Store evidence
D. Analyze samples
Answer: B
Rationale: Evidence markers help document the exact position of items at
a scene, supporting accurate mapping and reconstruction.
8. Which is considered trace evidence?
A. Weapon
B. Vehicle
C. Hair
D. Fingerprint card
Answer: C
Rationale: Trace evidence includes small, transferable materials like hair,
fibers, or glass that can link a suspect to a scene.
9. A primary crime scene is:
A. Related but distant from crime
B. Where the main crime occurred
C. Police headquarters
D. Hospital emergency room
Answer: B
Rationale: The primary scene is the exact location where the criminal act
took place and typically contains the most critical evidence.
Identification Crime Scene Investigator
Certification Examination Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary purpose of securing a crime scene?
A. To allow media access
B. To preserve evidence integrity
C. To question witnesses
D. To clean the area
Answer: B
Rationale: Securing a crime scene is essential to prevent contamination,
loss, or alteration of physical evidence. This ensures that all potential
evidence remains in its original state for accurate documentation and
forensic analysis.
2. Which of the following is the first responding officer’s most important
responsibility?
A. Collecting all evidence
B. Interviewing suspects
C. Securing the scene
D. Writing lab reports
Answer: C
Rationale: The first responder must prioritize scene security to prevent
, unauthorized access and contamination before any investigative or
evidence collection activities begin.
3. Chain of custody refers to:
A. Suspect interrogation sequence
B. Evidence transportation route
C. Documentation of evidence handling
D. Crime scene sketching process
Answer: C
Rationale: Chain of custody is the documented and unbroken record
showing who collected, handled, transferred, or analyzed evidence,
ensuring its integrity in court.
4. Which tool is commonly used to measure tire impressions?
A. Thermometer
B. Measuring tape
C. Spectrometer
D. Caliper microscope
Answer: B
Rationale: A measuring tape is used to document the size, spacing, and
pattern of tire impressions at a scene for later comparison and
reconstruction.
5. Latent fingerprints are:
A. Visible without enhancement
B. Made of ink
C. Not visible to the naked eye
D. Always bloody
Answer: C
Rationale: Latent fingerprints are invisible impressions left by sweat and
oils and require development techniques such as powder or chemical
processing.
6. The main goal of crime scene photography is to:
A. Replace sketching
, B. Record only evidence
C. Provide permanent visual documentation
D. Identify suspects
Answer: C
Rationale: Photography creates an objective, permanent visual record of
the scene and evidence before anything is disturbed or collected.
7. What is the function of an evidence marker?
A. Clean evidence
B. Identify and locate evidence
C. Store evidence
D. Analyze samples
Answer: B
Rationale: Evidence markers help document the exact position of items at
a scene, supporting accurate mapping and reconstruction.
8. Which is considered trace evidence?
A. Weapon
B. Vehicle
C. Hair
D. Fingerprint card
Answer: C
Rationale: Trace evidence includes small, transferable materials like hair,
fibers, or glass that can link a suspect to a scene.
9. A primary crime scene is:
A. Related but distant from crime
B. Where the main crime occurred
C. Police headquarters
D. Hospital emergency room
Answer: B
Rationale: The primary scene is the exact location where the criminal act
took place and typically contains the most critical evidence.
