ILEA – Exam 14 (2025) – Practice Questions and Exam Revision Material
What are the seven (7) methods of documenting a crime scene? - correct answer ✔✔-ID
potential safety and health hazards
-Establish scene dimensions and set security
-Plan and communicate
-Primary survey; evaluate scene
-Document and process; protect
-Final survey of scene; detailed
-Recover and preserve evidence
What is Locard's theory of evidence exchange? - correct answer ✔✔The perpetrator of a crime
scene will bring something of themself into the crime scene and will leave with something from
the scene on his body - forensic evidence.
-Every contact leaves a trace
Can a confession be single-handedly used for a conviction? - correct answer ✔✔"No, but
physical evidence can be".
What is the definition of "physical evidence"? - correct answer ✔✔Any tangible item/article
that tends to prove or disprove a point in question
What are "class characteristics" in reference to evidence? - correct answer ✔✔Similarities -
places an item into a particular group
What considerations should be remembered by a LEO regarding firearms as evidence? - correct
answer ✔✔Hairs, fingerprints, fibers, and other biology may still be found. Also, always label
the firearm as unloaded and don't touch the firearm on a scene unless there is an active threat.
, T/F If a person has committed suicide with a firearm, a LEO should remove the firearm from the
deceased to ensure the scene is safe - correct answer ✔✔False
What is "short-lived" evidence? - correct answer ✔✔Physical evidence that may be destroyed
by elements, animals, or other conditions.
What should LEO's do when they encounter "short-lived" evidence? - correct answer
✔✔Preserve and protect it - may need to collect without a warrant
What information should be put on evidence? - correct answer ✔✔Agency name, agency case
number, and unique item number (it is also recommended to put the date).
What persons should a LEO interview? - correct answer ✔✔Suspect, witness, and victim
What is a "crime scene"? - correct answer ✔✔Where the crime happened - where evidence is
found
When submitting a question document or a handwriting exemplar to a lab, what should a LEO
do? - correct answer ✔✔Submit both
What are the two (2) types of prints? - correct answer ✔✔Ink impressions and latent
What are the three (3) finger print patterns? - correct answer ✔✔-Arch; plain or tented
-Loop; radial or ulnar
-Whorl; Plain or central pocket
What are the three (3) corners of an evidence triangle? (relating physical evidence) - correct
answer ✔✔Scene, suspect, and victim
What are the seven (7) methods of documenting a crime scene? - correct answer ✔✔-ID
potential safety and health hazards
-Establish scene dimensions and set security
-Plan and communicate
-Primary survey; evaluate scene
-Document and process; protect
-Final survey of scene; detailed
-Recover and preserve evidence
What is Locard's theory of evidence exchange? - correct answer ✔✔The perpetrator of a crime
scene will bring something of themself into the crime scene and will leave with something from
the scene on his body - forensic evidence.
-Every contact leaves a trace
Can a confession be single-handedly used for a conviction? - correct answer ✔✔"No, but
physical evidence can be".
What is the definition of "physical evidence"? - correct answer ✔✔Any tangible item/article
that tends to prove or disprove a point in question
What are "class characteristics" in reference to evidence? - correct answer ✔✔Similarities -
places an item into a particular group
What considerations should be remembered by a LEO regarding firearms as evidence? - correct
answer ✔✔Hairs, fingerprints, fibers, and other biology may still be found. Also, always label
the firearm as unloaded and don't touch the firearm on a scene unless there is an active threat.
, T/F If a person has committed suicide with a firearm, a LEO should remove the firearm from the
deceased to ensure the scene is safe - correct answer ✔✔False
What is "short-lived" evidence? - correct answer ✔✔Physical evidence that may be destroyed
by elements, animals, or other conditions.
What should LEO's do when they encounter "short-lived" evidence? - correct answer
✔✔Preserve and protect it - may need to collect without a warrant
What information should be put on evidence? - correct answer ✔✔Agency name, agency case
number, and unique item number (it is also recommended to put the date).
What persons should a LEO interview? - correct answer ✔✔Suspect, witness, and victim
What is a "crime scene"? - correct answer ✔✔Where the crime happened - where evidence is
found
When submitting a question document or a handwriting exemplar to a lab, what should a LEO
do? - correct answer ✔✔Submit both
What are the two (2) types of prints? - correct answer ✔✔Ink impressions and latent
What are the three (3) finger print patterns? - correct answer ✔✔-Arch; plain or tented
-Loop; radial or ulnar
-Whorl; Plain or central pocket
What are the three (3) corners of an evidence triangle? (relating physical evidence) - correct
answer ✔✔Scene, suspect, and victim
