FSC100: The Real CSI Final Exam
Questions and Answers Verified by
A
experts 2024/2025 update
VI
TU
IS
M
what could be physical evidence? - ANSWER objects that can:
- establish that a crimme has been committed
O
- make associations (crime to victim, victim to perpetrator)
recognition - ANSWER - of not just what but where
A
- situation of items relative to each other
N
where to start searching - ANSWER consider paths of contamination from:
- perpetrator activity
JP
- 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
A
search method is based on factors such as: - ANSWER - indoor/outdoor
- size
VI
- urgency
- lighting available
TU
- what is being searched for
- what evidence was already found
- concentration of material
- people available
IS
lane/strip search - ANSWER good for large areas
good for uneven terrain
M
line search limit - ANSWER must remain in a super straight line with everyone
O
else as you move across crime scene, at the same pace
A
circle/spiral search benefits - ANSWER good for locating additional items
associated to an existing piece of evidence
N
typically done indoors - too difficult to do outdoors
JP
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
A
control/known samples include: - ANSWER - standard/reference - ex.
VI
hair/blood/DNA
- substrate control - ex. oil, carpet
TU
- elimination samples
how do you prevent contamination? - ANSWER - use proper PPE
- clean tools between collection of different samples
IS
- change gloves frequently
- package items separately to avoid cross contamination
M
things that are commonly used to collect evidence - ANSWER - plastic pill
bottles
O
- manila envelopes
- tinfoil 'boats'
A
- cardboard pillboxes
- sealable plastic bags
N
- paper bags of various sizes
JP
what is the druggist's fold used for? - ANSWER to collect trace evidence
what do you do with wet or bloodstained materials? - ANSWER air dry them
before packaging and/or place into paper bags so they have room to breathe and
dry off
what should be done with items soiled with biological fluid that cannot be dried? -
ANSWER should be placed in a cooler with ice packs
Questions and Answers Verified by
A
experts 2024/2025 update
VI
TU
IS
M
what could be physical evidence? - ANSWER objects that can:
- establish that a crimme has been committed
O
- make associations (crime to victim, victim to perpetrator)
recognition - ANSWER - of not just what but where
A
- situation of items relative to each other
N
where to start searching - ANSWER consider paths of contamination from:
- perpetrator activity
JP
- 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
A
search method is based on factors such as: - ANSWER - indoor/outdoor
- size
VI
- urgency
- lighting available
TU
- what is being searched for
- what evidence was already found
- concentration of material
- people available
IS
lane/strip search - ANSWER good for large areas
good for uneven terrain
M
line search limit - ANSWER must remain in a super straight line with everyone
O
else as you move across crime scene, at the same pace
A
circle/spiral search benefits - ANSWER good for locating additional items
associated to an existing piece of evidence
N
typically done indoors - too difficult to do outdoors
JP
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
A
control/known samples include: - ANSWER - standard/reference - ex.
VI
hair/blood/DNA
- substrate control - ex. oil, carpet
TU
- elimination samples
how do you prevent contamination? - ANSWER - use proper PPE
- clean tools between collection of different samples
IS
- change gloves frequently
- package items separately to avoid cross contamination
M
things that are commonly used to collect evidence - ANSWER - plastic pill
bottles
O
- manila envelopes
- tinfoil 'boats'
A
- cardboard pillboxes
- sealable plastic bags
N
- paper bags of various sizes
JP
what is the druggist's fold used for? - ANSWER to collect trace evidence
what do you do with wet or bloodstained materials? - ANSWER air dry them
before packaging and/or place into paper bags so they have room to breathe and
dry off
what should be done with items soiled with biological fluid that cannot be dried? -
ANSWER should be placed in a cooler with ice packs
