COMPREHENSIVE NEVADA LAW
ENFORCEMENT & EVIDENCE
COLLECTION GUIDE | STUDY GUIDE,
PRACTICE QUESTIONS AND DETAILED
ANSWERS| GRADED A+ | GUARANTEED
SUCCESS
Updated 2026 Questions and Answers | 100% Verified
Exam Prep
,What is a spiral or circular search? A search method used when evidence is
suspected to be a certain distance from a
central point.
Why must officers follow To prevent contamination, loss, or alteration of
precautions before collecting evidence.
evidence?
How should biological fluids be With disposable gloves and packaged, sealed,
handled? and labeled per department policy.
Why should plastic not be used to Because plastic traps moisture and promotes
package biological evidence? bacterial and fungal growth.
How should wet biological stains They must be air dried away from heat and
be handled? sunlight before packaging.
How should firearms be handled They must be unloaded and documented,
when entered into evidence? including chamber and cartridge positions.
How should ammunition be Sealed and labeled according to department
packaged? policy.
,How should hairs and fibers be Carefully to prevent loss or contamination and
collected? packaged separately when needed.
What are tool marks? Impressions, cuts, or abrasions made when a
tool contacts an object.
What are latent fingerprints? Invisible prints that require processing to be
seen.
What are patent fingerprints? Visible prints made by substances like blood,
ink, or dirt.
What are plastic fingerprints? Three-dimensional impressions left in soft
materials like wax or soap.
How are latent fingerprints By using chemical processes such as ninhydrin
developed on porous surfaces? and photographing the results.
How are latent fingerprints Using powder-and-brush techniques followed
developed on non-porous smooth by lifting tape.
surfaces?
How are prints developed on non- Using powder and gel lifters or silicone casting
porous rough surfaces? materials.
, Why is establishing a chain of To prove evidence integrity, continuity of
custody important? possession, and unchanged condition for court.
What three testimonies are Identification of evidence, continuous
required for chain of custody? possession, and confirmation the evidence
remained unchanged.
What is probable cause? Facts and evidence that would lead a
reasonable person to believe a crime has been
committed and the accused committed it.
How is a crime defined under NRS An act or omission forbidden by law and
193.120? punishable upon conviction by death,
imprisonment, fine, or other penal discipline.
What are the three classifications Felony, gross misdemeanor, and misdemeanor.
of crime in Nevada?
What is a felony? A crime punishable by death or imprisonment in
state prison.
What is a gross misdemeanor? A crime punishable by up to 364 days in county
jail, a fine up to $2,000, or both.
ENFORCEMENT & EVIDENCE
COLLECTION GUIDE | STUDY GUIDE,
PRACTICE QUESTIONS AND DETAILED
ANSWERS| GRADED A+ | GUARANTEED
SUCCESS
Updated 2026 Questions and Answers | 100% Verified
Exam Prep
,What is a spiral or circular search? A search method used when evidence is
suspected to be a certain distance from a
central point.
Why must officers follow To prevent contamination, loss, or alteration of
precautions before collecting evidence.
evidence?
How should biological fluids be With disposable gloves and packaged, sealed,
handled? and labeled per department policy.
Why should plastic not be used to Because plastic traps moisture and promotes
package biological evidence? bacterial and fungal growth.
How should wet biological stains They must be air dried away from heat and
be handled? sunlight before packaging.
How should firearms be handled They must be unloaded and documented,
when entered into evidence? including chamber and cartridge positions.
How should ammunition be Sealed and labeled according to department
packaged? policy.
,How should hairs and fibers be Carefully to prevent loss or contamination and
collected? packaged separately when needed.
What are tool marks? Impressions, cuts, or abrasions made when a
tool contacts an object.
What are latent fingerprints? Invisible prints that require processing to be
seen.
What are patent fingerprints? Visible prints made by substances like blood,
ink, or dirt.
What are plastic fingerprints? Three-dimensional impressions left in soft
materials like wax or soap.
How are latent fingerprints By using chemical processes such as ninhydrin
developed on porous surfaces? and photographing the results.
How are latent fingerprints Using powder-and-brush techniques followed
developed on non-porous smooth by lifting tape.
surfaces?
How are prints developed on non- Using powder and gel lifters or silicone casting
porous rough surfaces? materials.
, Why is establishing a chain of To prove evidence integrity, continuity of
custody important? possession, and unchanged condition for court.
What three testimonies are Identification of evidence, continuous
required for chain of custody? possession, and confirmation the evidence
remained unchanged.
What is probable cause? Facts and evidence that would lead a
reasonable person to believe a crime has been
committed and the accused committed it.
How is a crime defined under NRS An act or omission forbidden by law and
193.120? punishable upon conviction by death,
imprisonment, fine, or other penal discipline.
What are the three classifications Felony, gross misdemeanor, and misdemeanor.
of crime in Nevada?
What is a felony? A crime punishable by death or imprisonment in
state prison.
What is a gross misdemeanor? A crime punishable by up to 364 days in county
jail, a fine up to $2,000, or both.
