FRSC 200 MIDTERM EXAM QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS VERIFIED LATEST UPDATE
what are the steps of crime scene investigation
preliminary scan of scene -> systematic search to ID evidence -> photograph and
sketch scene -> collect evidence -> crime/crime scene reconstruction
how are crimes reported/discovered
reported by a witness, victim, or by law enforcement while the incident is in progress
what is the role of the first officer on the scene
see if the perpetrator is still on the scene - tend to injured - notify needed personnel
(medical examiner, CSI unit, etc.) - secure scene - ensure safety
hot search
done immediately after crime scene is discovered (crime was just committed) - thorough
search of crime
cold search
done hours or days after crime has been committed - search for potential witnesses
what search methods are used
grid search, line search, zone search, spiral search
how are crime scene photos taken
always taken from a distance and then close up
what are the 3 steps of evidence collection
recognition of evidence -> collection of evidence -> packaging/preservation of evidence
, recognition of evidence
need experts in various types of evidence - determine what is evidence and what is not
(usually there is no such thing as too much evidence)
collection of evidence
collect as much evidence and trace evidence as possible - collect enough to allow for
testing - collect things in order of how quickly they can be contaminated
packaging/preservation of evidence
specific packaging is required for different types of evidence
what is chain of custody
a detailed map of the path of evidence from collection to court
what is used to package wet evidence
breathable containers - usually paper bags
what is used to package trace evidence
evidence bags or druggist's fold
what is used to package fire residues
airtight containers
what types of mixtures are encountered in forensics
solid mixtures (drugs, paint, etc.), liquid/solid mixtures (soil), liquid mixtures (gasoline,
blood, etc.)
difference between sieving and chromatography/when are each used
sieving is a form of physical separation that is used when there are large amounts of the
mixture/evidence present - chromatography is a form of chemical separation that is
used when there is a very small amount of the mixture/evidence
COMPLETE SOLUTIONS VERIFIED LATEST UPDATE
what are the steps of crime scene investigation
preliminary scan of scene -> systematic search to ID evidence -> photograph and
sketch scene -> collect evidence -> crime/crime scene reconstruction
how are crimes reported/discovered
reported by a witness, victim, or by law enforcement while the incident is in progress
what is the role of the first officer on the scene
see if the perpetrator is still on the scene - tend to injured - notify needed personnel
(medical examiner, CSI unit, etc.) - secure scene - ensure safety
hot search
done immediately after crime scene is discovered (crime was just committed) - thorough
search of crime
cold search
done hours or days after crime has been committed - search for potential witnesses
what search methods are used
grid search, line search, zone search, spiral search
how are crime scene photos taken
always taken from a distance and then close up
what are the 3 steps of evidence collection
recognition of evidence -> collection of evidence -> packaging/preservation of evidence
, recognition of evidence
need experts in various types of evidence - determine what is evidence and what is not
(usually there is no such thing as too much evidence)
collection of evidence
collect as much evidence and trace evidence as possible - collect enough to allow for
testing - collect things in order of how quickly they can be contaminated
packaging/preservation of evidence
specific packaging is required for different types of evidence
what is chain of custody
a detailed map of the path of evidence from collection to court
what is used to package wet evidence
breathable containers - usually paper bags
what is used to package trace evidence
evidence bags or druggist's fold
what is used to package fire residues
airtight containers
what types of mixtures are encountered in forensics
solid mixtures (drugs, paint, etc.), liquid/solid mixtures (soil), liquid mixtures (gasoline,
blood, etc.)
difference between sieving and chromatography/when are each used
sieving is a form of physical separation that is used when there are large amounts of the
mixture/evidence present - chromatography is a form of chemical separation that is
used when there is a very small amount of the mixture/evidence
