IAI - CSA TECHNIQUES OF CRIME SCENE INVESTIGATION EXAM NEWEST 2024 ACTUAL EXAM COMPLETE
200 QUESTIONS AND CORRECT ANSWERS
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)
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
Can Majority of Physical Evidence found at crime scenes be only Classified - (answer) True
,IAI - CSA TECHNIQUES OF CRIME SCENE INVESTIGATION EXAM NEWEST 2024 ACTUAL EXAM COMPLETE
200 QUESTIONS AND CORRECT ANSWERS
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.
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) A
known sample of paint from the questioned vehicle must be submitted for comparison.
, IAI - CSA TECHNIQUES OF CRIME SCENE INVESTIGATION EXAM NEWEST 2024 ACTUAL EXAM COMPLETE
200 QUESTIONS AND CORRECT ANSWERS
What is a good practice for packaging small objects? - (answer) Double-wrap very small objects such as
hair, fibers, or glass fragments. These items should first be folded up in a sheet of paper, such as a
pharmacist's fold, and then placed in an envelope
How should any potential hazard evidence be labeled? - (answer) Labeled with any potential hazards
such as biohazard stickers
Use of Expert Witnesses - (answer) Because scientific principles relating to physical evidence are often
beyond the knowledge of laypeople, courts permit persons with specialized training and skills to testify
in court to explain and interpret scientific evidence to juries, as well as offer their opinion based on the
evidence. Expert witnesses can be used when the subject of the testimony is beyond the experience and
knowledge of ordinary laypeople.
What is the deciding factor for potential bias? - (answer) The integrity of the professional and the
organization. All forensic practitioners owe a duty to the truth.
What is the guidelines for Forensic Labs? - (answer) The American Society of Crime Laboratory
Directors* (ASCLD) has a code of professional practices, Guidelines for Forensic Laboratory Management
Practices (Adopted 1987, Revised 1994).
Who are often called to court to testify as expert witnesses? - (answer) Forensic Practitioners
What is important for a witness to know about cross examination? - (answer) The witness dictates the
pace. You do not need to answer any question yes or no. Explain your rationale.
It is acceptable to say, "I don't believe I am qualified to answer that question."
Do not box yourself into a corner. Beware of questions like, "Have you ever made a mistake" and "Isn't it
possible?"
What is the final element in a crime scene investigation? - (answer) Teamwork.
200 QUESTIONS AND CORRECT ANSWERS
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)
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
Can Majority of Physical Evidence found at crime scenes be only Classified - (answer) True
,IAI - CSA TECHNIQUES OF CRIME SCENE INVESTIGATION EXAM NEWEST 2024 ACTUAL EXAM COMPLETE
200 QUESTIONS AND CORRECT ANSWERS
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.
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) A
known sample of paint from the questioned vehicle must be submitted for comparison.
, IAI - CSA TECHNIQUES OF CRIME SCENE INVESTIGATION EXAM NEWEST 2024 ACTUAL EXAM COMPLETE
200 QUESTIONS AND CORRECT ANSWERS
What is a good practice for packaging small objects? - (answer) Double-wrap very small objects such as
hair, fibers, or glass fragments. These items should first be folded up in a sheet of paper, such as a
pharmacist's fold, and then placed in an envelope
How should any potential hazard evidence be labeled? - (answer) Labeled with any potential hazards
such as biohazard stickers
Use of Expert Witnesses - (answer) Because scientific principles relating to physical evidence are often
beyond the knowledge of laypeople, courts permit persons with specialized training and skills to testify
in court to explain and interpret scientific evidence to juries, as well as offer their opinion based on the
evidence. Expert witnesses can be used when the subject of the testimony is beyond the experience and
knowledge of ordinary laypeople.
What is the deciding factor for potential bias? - (answer) The integrity of the professional and the
organization. All forensic practitioners owe a duty to the truth.
What is the guidelines for Forensic Labs? - (answer) The American Society of Crime Laboratory
Directors* (ASCLD) has a code of professional practices, Guidelines for Forensic Laboratory Management
Practices (Adopted 1987, Revised 1994).
Who are often called to court to testify as expert witnesses? - (answer) Forensic Practitioners
What is important for a witness to know about cross examination? - (answer) The witness dictates the
pace. You do not need to answer any question yes or no. Explain your rationale.
It is acceptable to say, "I don't believe I am qualified to answer that question."
Do not box yourself into a corner. Beware of questions like, "Have you ever made a mistake" and "Isn't it
possible?"
What is the final element in a crime scene investigation? - (answer) Teamwork.
