SUPA forensics FINAL review Questions And
Answers 100% Correct
Chapter 1 and 2
What is Locard's Exchange principle? basic concept: criminal in contact with an object or
person, a cross transfer of evidence occurs
ex: dust, fingerprints, chemical residues, etc.
EVERY CONTACT LEAVES TRACE
The Frye Standard said that the evidence analysis technique must be ___________________
_____________________ by the ______________________ ___________________. -
"generally accepted"
- scientific community
In the Daubert case, the __________ ______________ was deemed the "gatekeeper" and could
decide what evidence is admissible in his/her court. trial judge
Kumho "Experts" need to employ the same level of intellectual rigor as an expert in that
field
,SUPA forensics FINAL review Questions And
Answers 100% Correct
Joiner Experts should limit opinions to straightforward extensions of the data; court may
limit the opinions
Differentiate class and individual evidence. Give an example of each. Class (group)
characteristics: properties of evidence that can only be associated with a general group and not
with a common source
ex: blood type, paint or dye
Individual characteristics: properties of evidence that can connect a sample and standard to a
common source (with high probability)
ex: fingerprints, unusual wear patterns, tool marks, etc.
When do you NOT need a warrant to search? - consent
- a search of a person or property within the immediate control of the person provided it made
incident to a lawful arrest
- existence of an emergency
- plain view
,SUPA forensics FINAL review Questions And
Answers 100% Correct
- roadside checkpoints
- inventory searches
Search and seizure
features of 4th amendment - evidence at a crime scene
- 4th amendment of the constitution
________
- only applies to government officials
- illegal searches can lead to elimination of evidence or overturning conviction (but may be used
in sentencing phase)
What is the Exclusionary Rule? any evidence resulting from an illegal search cannot be
used as direct evidence in court
What is the Fruit of the Poisonous Tree Doctrine? any evidence found through an illegal
search also to find other evidence
, SUPA forensics FINAL review Questions And
Answers 100% Correct
What are the steps to preserving and processing a crime scene? 1- secure the scene first
and get anyone medical help
2- preserve with pictures/ sketch the scene, and notes
3 -take notes of everything at the scene, date, time, location, people, etc.
4- Sketch (rough and final) all objects at scene and include measurements using triangulation
5- photograph with scale in picture including close ups, overviews, and pics of the crowd
What are the 4 search patterns? - grid/quadrant searches
- inward spiral
- outward spiral
- parallel
- zone
- line
What paperwork must always be filled out and kept with evidence? Who has to sign it?
Chain of Custody: list of all persons who came in possession of an item of evidence
- initials and date should be recorded
Answers 100% Correct
Chapter 1 and 2
What is Locard's Exchange principle? basic concept: criminal in contact with an object or
person, a cross transfer of evidence occurs
ex: dust, fingerprints, chemical residues, etc.
EVERY CONTACT LEAVES TRACE
The Frye Standard said that the evidence analysis technique must be ___________________
_____________________ by the ______________________ ___________________. -
"generally accepted"
- scientific community
In the Daubert case, the __________ ______________ was deemed the "gatekeeper" and could
decide what evidence is admissible in his/her court. trial judge
Kumho "Experts" need to employ the same level of intellectual rigor as an expert in that
field
,SUPA forensics FINAL review Questions And
Answers 100% Correct
Joiner Experts should limit opinions to straightforward extensions of the data; court may
limit the opinions
Differentiate class and individual evidence. Give an example of each. Class (group)
characteristics: properties of evidence that can only be associated with a general group and not
with a common source
ex: blood type, paint or dye
Individual characteristics: properties of evidence that can connect a sample and standard to a
common source (with high probability)
ex: fingerprints, unusual wear patterns, tool marks, etc.
When do you NOT need a warrant to search? - consent
- a search of a person or property within the immediate control of the person provided it made
incident to a lawful arrest
- existence of an emergency
- plain view
,SUPA forensics FINAL review Questions And
Answers 100% Correct
- roadside checkpoints
- inventory searches
Search and seizure
features of 4th amendment - evidence at a crime scene
- 4th amendment of the constitution
________
- only applies to government officials
- illegal searches can lead to elimination of evidence or overturning conviction (but may be used
in sentencing phase)
What is the Exclusionary Rule? any evidence resulting from an illegal search cannot be
used as direct evidence in court
What is the Fruit of the Poisonous Tree Doctrine? any evidence found through an illegal
search also to find other evidence
, SUPA forensics FINAL review Questions And
Answers 100% Correct
What are the steps to preserving and processing a crime scene? 1- secure the scene first
and get anyone medical help
2- preserve with pictures/ sketch the scene, and notes
3 -take notes of everything at the scene, date, time, location, people, etc.
4- Sketch (rough and final) all objects at scene and include measurements using triangulation
5- photograph with scale in picture including close ups, overviews, and pics of the crowd
What are the 4 search patterns? - grid/quadrant searches
- inward spiral
- outward spiral
- parallel
- zone
- line
What paperwork must always be filled out and kept with evidence? Who has to sign it?
Chain of Custody: list of all persons who came in possession of an item of evidence
- initials and date should be recorded
