Forensics FINAL EXAM REVIEW 2023
Questions and Answers
a single piece of evidence - Answer- can reconstruct a crime scene and find the
responsible individual
solving a crime depends on - Answer- piecing together evidence to create a picture of
what happened during the crime
evidence - Answer- anything used to determine if a crime was committed
police - Answer- first to arrive at crime scene
evidence can - Answer- link a suspect
corroborate/refute statements
identify perpetrator/ individual
exonerate the innocent
induce a confession
direct investigation
link similar crimes
establish a perpetrator's MO
crime scene investigators - Answer- document the crime scene in detail and collect
physical evidence
two main evidence categories - Answer- direct
circumstantial/ indirect
medical examiner - Answer- an official elected or appointed to investigate suspicious or
unnatural deaths
direct evidence - Answer- establishes a fact, doesn't require interpretations
first hand observations
detectives - Answer- interview witnesses and consult with the CSI unit, investigate the
crime by following leads provided by witnesses and physical evidence
direct evidence is also known as - Answer- testimonial evidence
prima facie
seven S's of crime scene investigation - Answer- secure the scene
separate the witness
scan the scene
,see the scene
sketch the scene
search for evidence
secure evidence
examples of direct evidence - Answer- confessions
audio/ video/ photos
documents
eyewitnesses
secure the scene - Answer- ensure scene is safe, get medical assistance, detain
suspects, preserve evidence by isolating crime scene
circumstantial evidence - Answer- implies a fact, based on suggestion, requires
inferences
more objective & reliable
isolating crime scene - Answer- exclude unauthorized individuals, tape/ barricade
around perimeter, security log maintained
separating witnesses - Answer- witnesses not be allowed to talk to one another
most forensic evidence is - Answer- circumstantial
examples of circumstantial evidence - Answer- hair found at the crime scene is a
microscopic match to the suspect
separating witnesses prevents - Answer- collusion and tampering with memories
the more circumstantial evidence - Answer- the greater the weight it carries
collusion - Answer- working together to create a story
biological evidence - Answer- comes from a living thing, organic material
scan the scene - Answer- brief look at scene, determine where photos should be taken
primary crime scene - Answer- the location where the crime took place
examples of biological evidence - Answer- body parts, body fluids, botanical material
physical evidence - Answer- comes from a nonliving thing. inorganic material
secondary crime scene - Answer- an alternate location where additional evidence may
be found
, examples of physical evidence - Answer- weapons, bullets & shell casings, paint chips,
glass, documents, synthetic fibers, impression evidence
scan the scene - Answer- photographed in original state,all angles and objects included,
evidence markers & rulers
trace evidence - Answer- small but measurable amounts of physical or biological
material
sketch the scene - Answer- creating a drawing of the crime scene grid paper to show
physical facts of the case & create a mental picture
examples of trace evidence - Answer- hair, skin cells, fibers, soil, DNA, gunshot residue
rough sketch - Answer- the first sketch created at the crime scene with care for
accuracy in depicting dimensions and locations, includes measurements
scaled sketch - Answer- drawn to scale, clutter free sketch of crime scene, used in court
to supplement pictures
Dr. Edmond Locard - Answer- first full time forensic scientist & director of first forensics
lab, developed exchange principle
Locard Exchange Principle - Answer- whenever two objects come into contact with each
other, traces of each are exchanged.
crime scene sketch includes - Answer- north, scale, legend, and important objects
measured from immovable objects
every contact - Answer- leaves a trace
determining scale - Answer- longest crime scene measurement divided by longest
paper measurement
class evidence - Answer- narrows an identity to a group of persons or things
rectangular coordinates - Answer- placed from two adjacent walls, used in rooms &
indoor crime scenes
triangulation - Answer- creating a triangle to locate objects within an outdoor crime
scene
examples of class evidence - Answer- blood type, hair color
individual evidence - Answer- identifies a particular person or thing
Questions and Answers
a single piece of evidence - Answer- can reconstruct a crime scene and find the
responsible individual
solving a crime depends on - Answer- piecing together evidence to create a picture of
what happened during the crime
evidence - Answer- anything used to determine if a crime was committed
police - Answer- first to arrive at crime scene
evidence can - Answer- link a suspect
corroborate/refute statements
identify perpetrator/ individual
exonerate the innocent
induce a confession
direct investigation
link similar crimes
establish a perpetrator's MO
crime scene investigators - Answer- document the crime scene in detail and collect
physical evidence
two main evidence categories - Answer- direct
circumstantial/ indirect
medical examiner - Answer- an official elected or appointed to investigate suspicious or
unnatural deaths
direct evidence - Answer- establishes a fact, doesn't require interpretations
first hand observations
detectives - Answer- interview witnesses and consult with the CSI unit, investigate the
crime by following leads provided by witnesses and physical evidence
direct evidence is also known as - Answer- testimonial evidence
prima facie
seven S's of crime scene investigation - Answer- secure the scene
separate the witness
scan the scene
,see the scene
sketch the scene
search for evidence
secure evidence
examples of direct evidence - Answer- confessions
audio/ video/ photos
documents
eyewitnesses
secure the scene - Answer- ensure scene is safe, get medical assistance, detain
suspects, preserve evidence by isolating crime scene
circumstantial evidence - Answer- implies a fact, based on suggestion, requires
inferences
more objective & reliable
isolating crime scene - Answer- exclude unauthorized individuals, tape/ barricade
around perimeter, security log maintained
separating witnesses - Answer- witnesses not be allowed to talk to one another
most forensic evidence is - Answer- circumstantial
examples of circumstantial evidence - Answer- hair found at the crime scene is a
microscopic match to the suspect
separating witnesses prevents - Answer- collusion and tampering with memories
the more circumstantial evidence - Answer- the greater the weight it carries
collusion - Answer- working together to create a story
biological evidence - Answer- comes from a living thing, organic material
scan the scene - Answer- brief look at scene, determine where photos should be taken
primary crime scene - Answer- the location where the crime took place
examples of biological evidence - Answer- body parts, body fluids, botanical material
physical evidence - Answer- comes from a nonliving thing. inorganic material
secondary crime scene - Answer- an alternate location where additional evidence may
be found
, examples of physical evidence - Answer- weapons, bullets & shell casings, paint chips,
glass, documents, synthetic fibers, impression evidence
scan the scene - Answer- photographed in original state,all angles and objects included,
evidence markers & rulers
trace evidence - Answer- small but measurable amounts of physical or biological
material
sketch the scene - Answer- creating a drawing of the crime scene grid paper to show
physical facts of the case & create a mental picture
examples of trace evidence - Answer- hair, skin cells, fibers, soil, DNA, gunshot residue
rough sketch - Answer- the first sketch created at the crime scene with care for
accuracy in depicting dimensions and locations, includes measurements
scaled sketch - Answer- drawn to scale, clutter free sketch of crime scene, used in court
to supplement pictures
Dr. Edmond Locard - Answer- first full time forensic scientist & director of first forensics
lab, developed exchange principle
Locard Exchange Principle - Answer- whenever two objects come into contact with each
other, traces of each are exchanged.
crime scene sketch includes - Answer- north, scale, legend, and important objects
measured from immovable objects
every contact - Answer- leaves a trace
determining scale - Answer- longest crime scene measurement divided by longest
paper measurement
class evidence - Answer- narrows an identity to a group of persons or things
rectangular coordinates - Answer- placed from two adjacent walls, used in rooms &
indoor crime scenes
triangulation - Answer- creating a triangle to locate objects within an outdoor crime
scene
examples of class evidence - Answer- blood type, hair color
individual evidence - Answer- identifies a particular person or thing
