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FSC100 The Real CSI Final Exam(157 QUESTIONS AND ANSWERS).
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FSC100 The Real CSI Final Exam(157 QUESTIONS AND ANSWERS).
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FSC100: TheReal CSI Final
Exam(157
QUESTIONS AND
ANSWERS)
what could be physical evidence? - answer
objects that can:
- establish that a crimme has been
committed
- make associations (crime to victim, victim
to perpetrator)
recognition - answer - of not just what but
where
- situation of items relative to each other
,where to start searching - answer consider
paths of contamination from:
- perpetrator activity
- first responders
- emergency response
- look out for media interference
how do you search a crime scene? - answer -
lane/strip search
- line search
- circle/spiral search
- zone search
what are some other search tools? - answer
canine units
metal detectors
heavy machinery
thermal imaging
ground penetrating radar
search method is based on factors such as: -
answer - indoor/outdoor
,- size
- urgency
- lighting available
- what is being searched for
- what evidence was already found
- concentration of material
- people available
lane/strip search - answer good for large
areas
good for uneven terrain
line search limit - answer must remain in a
super straight line with everyone else as you
move across crime scene, at the same pace
circle/spiral search benefits - answer good
for locating additional items associated to an
existing piece of evidence
typically done indoors - too difficult to do
outdoors
, circle/spiral limits - answer difficult to stay in
a perfect spiral path to ensure nothing is
missed
zone search benefits - answer good for
where other patterns won't work - typically in
a house divided by rooms - used where scene
is already broken up into zones
how is evidence collection selective? - answer
- selectivity is determined by collector
- need knowledge about crime lab
techniques, capabilities, limitations
- lack of this knowledge can lead to evidence
being overlooked or collected improperly
why do you need a reference sample? -
answer to compare unknown samples to it
control/known samples include: - answer -
standard/reference - ex. hair/blood/DNA
- substrate control - ex. oil, carpet
- elimination samples
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