OPOTA Unit 11 |COMPLETE QUESTIONS WITH
CORRECT DETAILED ANSWERS
Save
Terms in this set (50)
Describe the primary responsibilities 1. Officer Safety
of the first responder to a crime 2.Rendering aid
scene 3. Securing the scene
4.Interacting with the witnesses
,Measures the officers can take to Contamination - the transfer of outside material to
minimize contamination at a crime the scene (e.g., a hair from the first responder drops
scene off into the scene and it is collected)
Cross - contamination - the transfer of material
between evidence within the scene (e.g., packaging
the victim's clothing in the same bag as the
suspects clothing)
• Personal Protective Equipment (PPE) should
include latex/nitrile gloves, shoe covers,
respiratory equipment, eye protection, and anything
else required by the scene's circumstances
• In order to prevent contamination with your DNA,
when wearing latex/nitrile gloves, do not touch
your face, hair, cell phone, etc.
• Changes gloves often in between samples, and
when soiled, especially if you had contact with
both the victim and the suspect
• Do not talk over the evidence as your DNA (e.g.,
saliva spray) could be transferred to the evidence
• Use disposable or sterilized equipment
• Sterilize all reusable equipment once you are
done (e.g., placards, seals, tripod legs)
• Be sure you do not use the facilities, phones,
change temperature or lighting controls, eat, drink,
smoke or spit inside the perimeter of the crime
scene, as this may disturb evidence that is present
• An officer should be designated to monitor entry
onto the scene and keep unauthorized personnel
out
, Difference between class and Class Characteristics
individual evidence characteristics • 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
• Example - 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
Individual Characteristics
• Traits or characteristics of an item of evidence that
allows the item to be compared with a specific
object or person
• The comparison will determine whether or not the
item originated from the object or person (i.e.,
allows for individualization of evidence)
• Example - cuts, scratches, wear pattern, or other
defects on the sole of a Nike Air Max size 11
distinguishable one shoe from another
CORRECT DETAILED ANSWERS
Save
Terms in this set (50)
Describe the primary responsibilities 1. Officer Safety
of the first responder to a crime 2.Rendering aid
scene 3. Securing the scene
4.Interacting with the witnesses
,Measures the officers can take to Contamination - the transfer of outside material to
minimize contamination at a crime the scene (e.g., a hair from the first responder drops
scene off into the scene and it is collected)
Cross - contamination - the transfer of material
between evidence within the scene (e.g., packaging
the victim's clothing in the same bag as the
suspects clothing)
• Personal Protective Equipment (PPE) should
include latex/nitrile gloves, shoe covers,
respiratory equipment, eye protection, and anything
else required by the scene's circumstances
• In order to prevent contamination with your DNA,
when wearing latex/nitrile gloves, do not touch
your face, hair, cell phone, etc.
• Changes gloves often in between samples, and
when soiled, especially if you had contact with
both the victim and the suspect
• Do not talk over the evidence as your DNA (e.g.,
saliva spray) could be transferred to the evidence
• Use disposable or sterilized equipment
• Sterilize all reusable equipment once you are
done (e.g., placards, seals, tripod legs)
• Be sure you do not use the facilities, phones,
change temperature or lighting controls, eat, drink,
smoke or spit inside the perimeter of the crime
scene, as this may disturb evidence that is present
• An officer should be designated to monitor entry
onto the scene and keep unauthorized personnel
out
, Difference between class and Class Characteristics
individual evidence characteristics • 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
• Example - 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
Individual Characteristics
• Traits or characteristics of an item of evidence that
allows the item to be compared with a specific
object or person
• The comparison will determine whether or not the
item originated from the object or person (i.e.,
allows for individualization of evidence)
• Example - cuts, scratches, wear pattern, or other
defects on the sole of a Nike Air Max size 11
distinguishable one shoe from another
