CRIME SCENE INVESTIGATOR IAI CERTIFICATION EXAM
NEWEST 2024 ACTUAL EXAM COMPLETE 60 QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY PASSED
Final analysis is done where? - ANSWER: In the courtroom
Major Goals of a Crime Scene Search - ANSWER: * The recongnition and
identification of physical evidence
* The collection and proper preservation of the evidence
* Reconstrutction of the crime
* To assist detectives in forming a theory about the crime
The job of the CSI in "forensic science" - ANSWER: Is to properly recongnize, identify,
collect, and preserve those pieces of evidence that begin the process known as
justice.
CSIs are responsible for what two of the four steps in the admissiblity of phiysical
evidence for court? - ANSWER: recognition and collection
Physical evidence leads to the linkage of... - ANSWER: the victim, perpetrator and the
scene
Four Major Factors that Determine the Value of Physical Evidence - ANSWER:
Recognition-the CSI must have the knowledge and understanding to recongnize
potential items of physical evidence located at the crime scene
Collection-Utilizing the appropriate skills and following accepted protocols to gather
and preserve the physical evidence
Testing Procedures-Application of acceptable scientific procedures to analyze the
physical evidence
Courtroom Presentation-Qualifications of the witnesses to provide objective reports
on the forensic analysis of the evidence
Forensic Archeologist - ANSWER: Utilizes archaeological recovery techniques at
scenes of mass graves or exhumations
Forensic Botanist - ANSWER: Can aid in determining time since death or assist in
placing a suspect or victim at a location by studying the anatomy of plant evenidence
Forensic Entomologist - ANSWER: Can evaluate the life cycle of insects found at the
scene or on the body of a victim to assist in establishing investigative leads such as
the movement of a body after death, manner of death, and the postmortem interval
,Forensic Odontologist - ANSWER: Dentist with special training in the evaluation and
handling of dental evidence, including bitemark comparison and the identification of
victims/suspects
Forensic Pathologist - ANSWER: A medical doctor with additional specialty training in
determination of injuries and disease that cause death
Medical Examiner - ANSWER: A medical doctor with five or more years of specialized
training in recognition of the cause and manner of death
Coroner - ANSWER: An eleted or appointed official who conducts death
investigations. the coroner is not required to have a medical background and his/her
duties are dictated by jurisdiction.
FSAB - ANSWER: Forensic Specialties Accreditation Board- provides accreditation to
those certifying bodies that meet stringent requirements for training, education,
experience, and testing of individual forensic scientist and specialist.
the duty of the expert witness is to - ANSWER: educate the jury and provide
testimony using terminology that is easily explainable and not misunderstood.
Essential elements of exper witness testimony - ANSWER: Clarity, simplicity, and
honesty
expert witness testimony may be challenged in the following ways: - ANSWER: *the
case may not require the expertise
*Basic qualifications and ability to give an opinion in the field at issue
*Insufficient education or experience to have anything of value to offer (no vaule
added)
*the methodology utilized to support the opinion may not be scientifically sound or
capable of supporting the profered opinion
*The methodology may be scientifically sound, but the opinion based on the method
is not sufficiently derived from that scientific methodology
Acts of commission - ANSWER: Intentional
Acts of omission - ANSWER: unintentional
O.J. effect - ANSWER: discrediting the chain of evidence, the scientists, or the science
is known as the OJ effect and has become a key defense technique
Physical evidence is valuable in many aspects and can reveal data that will aid the
investigation by: - ANSWER: *Providing essential information on the facts of the
case-corpus delicti
*Revealing the modus operandi (MO)-the preferred method of operation
*Demonstrating linkages between the vicitm, suspects, locations, and objects
*Proving or disproving witeness statements
, *Identifying a suspect through DNA or other individualization
*Classifying unknown substances
*Reconstructing the crime scene-how a crime was committed
*Developing investigative leads
Corpus delicti - ANSWER: facts of the case
MO-Modus Operandi - ANSWER: the preferred method of operation
Class characteristics - ANSWER: physical evidence that cannot be related to a
common origin with a high degree of certainty, therefore it can only be associated
with a group and never a single source
Indivdual characteristics - ANSWER: are distinct differences in the physical evidence
that allow it to be associated with a single source and allow the examiner to
determine the uniqueness of any single object or piece of evidence
Associative evidence - ANSWER: items of physical evidence located during a crime
scene search can be used to demonstrate linkage or to "associate" the victim to the
suspect or to a particular location
What ammendment protects against unreasonable search and seizure - ANSWER:
Fourth amedment
Mincey v. Arizona - ANSWER: dictated what actions law enforcement personnel are
authorized to take without first obtaining a warrant
Items that can be obtained without obtaining a warrant - ANSWER: 1. Seach the
scene for rictims and render aid in areas where a victim could resonably be found
2. Enter the scene to search for perpetrators (only in areas where a suspect could be
located)
3.While officers are legally in a location performing either of the two
aforementioned actions, they may swize items of evidentiary nature that are in plain
view-however, this should only occur in exigent circumstances, such as an unsecured
weapon
Transient evidence - ANSWER: is defined as physical evidence that may be lost
forever if not immediately preserved
Fruit of the poisonous tree - ANSWER: If the physical evidence is tainted then any
subsequent information derived from that evidence would also be tainted
Frye v. United States - ANSWER: rejected the admission of a polygraph test on the
basis that the reliability of the intrument had not been proven.
Frye test - ANSWER: established the criteria that define judicial acceptance of
scientific advances. Basically, the ruling requires expert testimony to be based on
NEWEST 2024 ACTUAL EXAM COMPLETE 60 QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY PASSED
Final analysis is done where? - ANSWER: In the courtroom
Major Goals of a Crime Scene Search - ANSWER: * The recongnition and
identification of physical evidence
* The collection and proper preservation of the evidence
* Reconstrutction of the crime
* To assist detectives in forming a theory about the crime
The job of the CSI in "forensic science" - ANSWER: Is to properly recongnize, identify,
collect, and preserve those pieces of evidence that begin the process known as
justice.
CSIs are responsible for what two of the four steps in the admissiblity of phiysical
evidence for court? - ANSWER: recognition and collection
Physical evidence leads to the linkage of... - ANSWER: the victim, perpetrator and the
scene
Four Major Factors that Determine the Value of Physical Evidence - ANSWER:
Recognition-the CSI must have the knowledge and understanding to recongnize
potential items of physical evidence located at the crime scene
Collection-Utilizing the appropriate skills and following accepted protocols to gather
and preserve the physical evidence
Testing Procedures-Application of acceptable scientific procedures to analyze the
physical evidence
Courtroom Presentation-Qualifications of the witnesses to provide objective reports
on the forensic analysis of the evidence
Forensic Archeologist - ANSWER: Utilizes archaeological recovery techniques at
scenes of mass graves or exhumations
Forensic Botanist - ANSWER: Can aid in determining time since death or assist in
placing a suspect or victim at a location by studying the anatomy of plant evenidence
Forensic Entomologist - ANSWER: Can evaluate the life cycle of insects found at the
scene or on the body of a victim to assist in establishing investigative leads such as
the movement of a body after death, manner of death, and the postmortem interval
,Forensic Odontologist - ANSWER: Dentist with special training in the evaluation and
handling of dental evidence, including bitemark comparison and the identification of
victims/suspects
Forensic Pathologist - ANSWER: A medical doctor with additional specialty training in
determination of injuries and disease that cause death
Medical Examiner - ANSWER: A medical doctor with five or more years of specialized
training in recognition of the cause and manner of death
Coroner - ANSWER: An eleted or appointed official who conducts death
investigations. the coroner is not required to have a medical background and his/her
duties are dictated by jurisdiction.
FSAB - ANSWER: Forensic Specialties Accreditation Board- provides accreditation to
those certifying bodies that meet stringent requirements for training, education,
experience, and testing of individual forensic scientist and specialist.
the duty of the expert witness is to - ANSWER: educate the jury and provide
testimony using terminology that is easily explainable and not misunderstood.
Essential elements of exper witness testimony - ANSWER: Clarity, simplicity, and
honesty
expert witness testimony may be challenged in the following ways: - ANSWER: *the
case may not require the expertise
*Basic qualifications and ability to give an opinion in the field at issue
*Insufficient education or experience to have anything of value to offer (no vaule
added)
*the methodology utilized to support the opinion may not be scientifically sound or
capable of supporting the profered opinion
*The methodology may be scientifically sound, but the opinion based on the method
is not sufficiently derived from that scientific methodology
Acts of commission - ANSWER: Intentional
Acts of omission - ANSWER: unintentional
O.J. effect - ANSWER: discrediting the chain of evidence, the scientists, or the science
is known as the OJ effect and has become a key defense technique
Physical evidence is valuable in many aspects and can reveal data that will aid the
investigation by: - ANSWER: *Providing essential information on the facts of the
case-corpus delicti
*Revealing the modus operandi (MO)-the preferred method of operation
*Demonstrating linkages between the vicitm, suspects, locations, and objects
*Proving or disproving witeness statements
, *Identifying a suspect through DNA or other individualization
*Classifying unknown substances
*Reconstructing the crime scene-how a crime was committed
*Developing investigative leads
Corpus delicti - ANSWER: facts of the case
MO-Modus Operandi - ANSWER: the preferred method of operation
Class characteristics - ANSWER: physical evidence that cannot be related to a
common origin with a high degree of certainty, therefore it can only be associated
with a group and never a single source
Indivdual characteristics - ANSWER: are distinct differences in the physical evidence
that allow it to be associated with a single source and allow the examiner to
determine the uniqueness of any single object or piece of evidence
Associative evidence - ANSWER: items of physical evidence located during a crime
scene search can be used to demonstrate linkage or to "associate" the victim to the
suspect or to a particular location
What ammendment protects against unreasonable search and seizure - ANSWER:
Fourth amedment
Mincey v. Arizona - ANSWER: dictated what actions law enforcement personnel are
authorized to take without first obtaining a warrant
Items that can be obtained without obtaining a warrant - ANSWER: 1. Seach the
scene for rictims and render aid in areas where a victim could resonably be found
2. Enter the scene to search for perpetrators (only in areas where a suspect could be
located)
3.While officers are legally in a location performing either of the two
aforementioned actions, they may swize items of evidentiary nature that are in plain
view-however, this should only occur in exigent circumstances, such as an unsecured
weapon
Transient evidence - ANSWER: is defined as physical evidence that may be lost
forever if not immediately preserved
Fruit of the poisonous tree - ANSWER: If the physical evidence is tainted then any
subsequent information derived from that evidence would also be tainted
Frye v. United States - ANSWER: rejected the admission of a polygraph test on the
basis that the reliability of the intrument had not been proven.
Frye test - ANSWER: established the criteria that define judicial acceptance of
scientific advances. Basically, the ruling requires expert testimony to be based on
