FSC100 FINAL EXAM PREP SOLVED
QUESTIONS AND VERIFIED SOLUTIONS
◉ 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
◉ how do you prevent contamination?
Answer: - use proper PPE
- clean tools between collection of different samples
- change gloves frequently
- package items separately to avoid cross contamination
◉ things that are commonly used to collect evidence
Answer: - plastic pill bottles
- manila envelopes
- tinfoil 'boats'
- cardboard pillboxes
- sealable plastic bags
- paper bags of various sizes
QUESTIONS AND VERIFIED SOLUTIONS
◉ 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
◉ how do you prevent contamination?
Answer: - use proper PPE
- clean tools between collection of different samples
- change gloves frequently
- package items separately to avoid cross contamination
◉ things that are commonly used to collect evidence
Answer: - plastic pill bottles
- manila envelopes
- tinfoil 'boats'
- cardboard pillboxes
- sealable plastic bags
- paper bags of various sizes
