IAI-CSA TECHNIQUES OF CRIME SCENE
INVESTIGATION NEWEST EXAM WITH ACTUAL
QUESTIONS AND CORRECT VERIFIED
ANSWERS|ALREADY GRADED A+/100%
GUARANTEED TO PASS CONCEPTS
Evidence - ....ANSWER ....✔✔ Something legally
submitted to a competent trier of fact as a means of
ascertaining the truth of any alleged matter under
investigation.
Two Broad Types of Evidence - ....ANSWER ....✔✔ 1.
Testimonial Evidence
2. Real, or Physical Evidence
What is Physical Evidence? - ....ANSWER ....✔✔ Any
Type of Evidence with an objective existence, that is
anything with size, shape, and dimension.
Physical Evidence may also be considered either -
....ANSWER ....✔✔ 1. Direct evidence (evidence that
supports a conclusion of fact without inference)
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OR
2. Circumstantial evidence (evidence that requires
inference to connect it to a conclusion of fact).
Physical Evidence - ....ANSWER ....✔✔ May be more
reliable than eyewitnesses to crimes.
CSI Effect - ....ANSWER ....✔✔ Has made jurors
expect, even demand, physical evidence.
One Factor making the public's notion of the role of
physical evidence - ....ANSWER ....✔✔ Science and
technology are perceived by most of the public to be
unbiased and not subject to manipulation.
Negative Evidence - ....ANSWER ....✔✔ the absence
of physical evidence. May provide useful information
and even stop defense arguments at the time of trial
Can every item of physical evidence be directly
associated to a specific person, place, or thing and
believe that it is possible to link that evidence to a
unique source. - ....ANSWER ....✔✔ No
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Can Majority of Physical Evidence found at crime scenes
be only Classified - ....ANSWER ....✔✔ True
Classification of Evidence - ....ANSWER ....✔✔
Meaning physical evidence placed into groups with all
other items having the same properties or class
characteristics.
Types of Pattern Evidence - ....ANSWER ....✔✔
(fingerprints, firearms evidence, footwear evidence, tire
impressions, and tool marks)
Practitioners would offer a conclusive opinion that the
known and questioned item came from a common source
to a reasonable degree of scientific certainty.
The ability to associate an item of evidence to a sole,
unique source is currently being hotly debated. -
....ANSWER ....✔✔ True
What does DNA testing use? - ....ANSWER ....✔✔
Statistical occurrence of discrete pieces of genetic
material or alleles.
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Can physical evidence that is identified corroborate
testimony, place a subject at a scene, and be useful in a
variety of ways as an interrogation tool? - ....ANSWER
....✔✔ Yes
Chain of Custody - ....ANSWER ....✔✔ Proof that
evidence collected during an investigation and the
evidence ultimately submitted to the court are one and
the same. To prove that the integrity of the physical
evidence has been maintained. Shows who had contact
with the evidence, at what time, under what
circumstances, and what changes, if any, were made to
the evidence.
General Rule on collecting evidence - ....ANSWER
....✔✔ As much material as is reasonably possible to
collect should be taken. More is better than less.
What is needed for known/exemplar samples for DNA?
- ....ANSWER ....✔✔ Blood samples or buccal (cheek)
swabs from the victim and suspect are needed.
What is needed for known/reference or exemplar
samples for Automobile Specimens? - ....ANSWER