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CSA Unit 6 Exam

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Last updated 3 months ago
25 questions
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Question 25
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What naturally occurring skin secretions on one’s hand and deposited on surfaces that allow investigators to later develop and lift?
print oil
arch
loop
latent prints
What fundamental pattern classification, specific arch, loop and whorl are used to describe? describe?
DNA
Skin
saliva
fingerprints
What is the formal forensic process of developing, lifting and permanently preserving a fingerprint impression?
print pulling
fingerprint dusting
fingerprinting
fingerprint investigation
In a crime scene investigation, what are the three primary categories of fingerprint evidence impressions can be found?
impressed, latent and tangible
tangible, indented and fixed
impressed, latent and fixed
visual, impressed and latent
Within friction ridge analysis, what are the three overarching pattern families used to classify fingerprints based on ridge-flow structure?
loops, whorls, arches
tented loops, whorls, arches
impression, latent, wax
loops, tented whorls, arches
Which option best represents a secondary crime scene, a location separate from the primary incident site where related evidence may be found?
A car where a driver is abducted in a carjacking.
An abandoned house ten miles from an abduction.
A bank where a robbery occurred.
A river bank where a murder took place.
Which of the following actions does NOT fall within the standard crime scene investigation workflow?
Separate the witnesses
Search for evidence
Sketch the scene
Select the motive
Which category of physical evidence because it is fragile, easily marred, or prone to surface abrasion should be first cushioned with a soft cloth or cotton prior to packaging?
Blood spatter swab
Suicide note
Bullet fragment
Shell casing
Which type of evidence container is least appropriate for securing and preserving collected items?
Bindle
Baggie
Envelope
Box
Which option does of NOT reflect a legitimate responsibility of a criminal profiler?
inferring the characteristics of a suspect
hypothesizing about a suspect’s age, lifestyle and social environment
collecting physical evidence
evaluating data prepared by investigators
Which option correctly identifies the full meaning of the acronym AFIS, the computerized system used to store, search, and compare fingerprints?
Automated Fingerprint Identification System
Automated Federal Information System
Automated Fingerprint Information System
Automated Fingerprint International System
Which option does Not represent a recognized category of fingerprints impressions that may be found at a crime scene?
whorl
arch
angle
loop
How are fingerprints forensically identified and individualized?
Through the study of lines
Through the study of ridges
Through the study of DNA
Through the study of skin
Which option does NOT belong to the standard fingerprint pattern classification system?
Arches
Loops
Whorls
Swirls
What is the forensic term for the distinct ridge characteristics, such as ridge ending, bifurcations, and dots that appear within a fingerprint impression?
Fingerprint Minutiae
Dactylogram
Whorl
Friction ridge
When law enforcement officers arrive at a reported homicide, their actions during the first few minutes can determine whether critical evidence is preserved or permanently lost. While investigators may be eager to begin collecting fingerprints or photographing the scene, established investigative protocols emphasize a different priority before any detailed forensic processing begins.

Based on the passage, which action should law enforcement take first upon arriving at a crime scene?
Begin collecting latent fingerprints from nearby surfaces
Conduct interviews with witnesses at the scene
Secure the scene and ensure life safety
Submit evidence for laboratory analysis
When first responders arrive at an active crime scene, what is the initial priority action law enforcement must take?
Interview witnesses
make the scene safe
collect evidence
make an arrest
Which statement bast captures the primary purpose of crime scene investigation?
preserve evidence
make arrests
find the bad guy
change crimes
What is the name of the specialized investigative unit responsible for processing a crime scene?
CSI
K9 unit
SWAT
ballistics unit
What development is most widely regarded as the most transformative breakthrough on modern day forensic science?
DNA
latent fingerprints
lasers
facial recognition
According to Locard's Exchange Principle what does every contact between a person and crime scene necessarily produce?
DNA evidence
fingerprint evidence
trace evidence
circumstantial evidence
Fingerprints recovered at crime scenes vary based on how they are deposited. Some prints are visible because they are left in substances like blood or ink, while others require chemical or physical enhancement techniques to be detected. Investigators categorize these impressions to determine the most appropriate recovery method.

Which classification best describes fingerprints that are not immediately visible and require development techniques to be detected?
Patent prints
Plastic prints
Latent prints
Rolled Prints
Forensic scientists operate under the principle that whenever two objects come into contact, material is exchanged between them. This exchange may involve hair, fibers, soil, or other microscopic substances that can later associate a suspect, victim, and crime scene.

The principle described in the passage is best summarized by which concept?
Modus operandi
Chain of custody
Locard’s Exchange Principle
Behavioral profiling
Evidence that is commonly recovered from crime scenes such as: blood, saliva, sperm, hair, tissue, bones, teeth, blood, or other bodily fluids are known as?
Biological evidence
Trace evidence
Circumstantial evidence
Direct evidence
Modern investigations rely heavily on computerized systems to compare unknown fingerprints recovered from crime scenes with millions of stored records. These systems allow investigators to search large databases quickly and generate potential matches that examiners can evaluate further.

Which system is specifically designed to store, search, and compare fingerprint records?
CODIS
AFIS
NIBIN
VICAP