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OPOTA SPO Unit 11
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Exam of 14 pages for the course tests at tests (OPOTA SPO Unit 11)
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OPOTA SPO Unit 11Describe the primary responsibilities of the first responder to a crime scene. -
ANS-Officer Safety and Rendering Aid
Rendering Aid Considerations: - ANS-Once the scene is deemed to be safe, there may
be individuals on the scene who are in need of first aid.
It is often unavoidable that the crime scene is altered.
If objects are being moved within the scene, it is imperative that those actions are noted
and documented.
Attempt to mitigate any damage done by the Emergency Medical Technicians (EMTs)
through reasonable limitations that do not limit lifesaving.
Describe measures the officer can take to control contamination at a crime scene. -
ANS-Personal Protective Equipment (PPE) for yourself should include latex/nitrile
gloves, shoe covers, respiratory equipment, eye protection, and anything else required
by the scene's circumstances.
Contamination is the transfer of outside material to the scene
(e.g., a hair from the first responder drops off into the scene and it is collected).
Cross-contamination is transfer between evidence within the scene (e.g., packaging the
victim's clothing in the same bag as the suspect's clothing).
In order to prevent contamination with your DNA, when wearing latex/nitrile gloves, do
not touch your face, hair, cell phones, etc.
Class characteristics (definition)... - ANS-Traits or characteristics of evidence that allow
the item to be compared with a group.
Shared by all members of its class.
Cannot be identified to a single source.
, Class characteristic (example)... - ANS-The sole of a Nike Air Max size 11 is
manufactured to have a particular design; all size 11 Nike Air Max soles manufactured
from the same mold will have the same general appearance.
Individualistic characteristic (definition)... - ANS-Traits or characteristics of an item of
evidence that allows the item to be compared with a specific object or person.
The comparison will be determined whether or not the item originated from the object or
person
(i.e., allows for individualization of evidence).
Individual characteristic (example)... - ANS-Cuts, scratches, wear pattern, or other
defects on the sole of a Nike Air Max size 11 distinguish one shoe from another.
Describe chain of custody. - ANS-Labeling Evidence:
-Tags should be directly attached to the evidence packaging at the time of the collection
Factors to Show Integrity of Evidence in the Chain of Custody:
-Evidence collected at a crime scene is the same as presented in court
-The item must not be altered or changed
-Chain must be maintained in order to document reasons why any party has dealt with
the evidence
Information a Chain of Custody must Reflect:
- Who found or had contact with the evidence
- To whom the evidence was given
- Reason the evidence was given to that person
- When and by whom the evidence was returned
- Where and how the evidence was stored until taken to court
- Any changes which were made to the evidence
- Paperwork for the Chain of Custody must remain with the Evidence.
Information which must be Shown on an Evidence Tag:
- Date recovered
- Time recovered
- Exact location of recovery
- Report/case number
- Item number
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