Unit 1 Review
Crime Scene Basics & Eyewitness Basics
T. Trimpe 2006 http://sciencespot.net/
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Spelling counts!
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Answer each question to the best of your knowledge.
A. What are the four steps used to analyze a crime scene?
Interview  Examine  Document  Process
4 points
DNA
B. What type of evidence does the FBI consider to be the most valuable? ______________
1 point
C. List three ways investigators use evidence collected at a crime scene.
• May prove that a crime has been committed
• Establish any key elements of a crime
• Link a suspect with a crime scene or a victim
• Establish the identity of a victim or suspect
• Corroborate verbal witness testimony
• Exonerate the innocent.
• Give detectives leads to work with in the case
Need 3 ways
3 points
D. Write the correct letter in each blank to identify each person involved in a crime scene
investigation.
F Interviews witnesses and works with the CSI unit to investigate the crime
A. POLICE OFFICERS
B. CSI UNIT
C. DISTRICT ATTORNEY
D. MEDICAL EXAMINER
E. SPECIALISTS
F. DETECTIVES
6 points
A
Usually the first to arrive at a crime scene; responsible for securing the
scene and detaining persons of interest
D
Determines the preliminary cause of death at the crime scene and
conducts the autopsy
C
Helps to determine if any search warrants are required to proceed and
obtains those warrants from a judge
E May be called in if an expert is needed to analyze insect evidence or
skeletal remains
B Documents the crime scene in detail and collects any physical evidence
E. What are three factors that might affect a person's ability to remember what happened
during a crime or to identify a suspect? Explain each one.
Possible answers include: Age, race, drug use,
outside influence, level of trauma, length of time,
characteristics of a suspect (tattoos, scars, etc.),
and the time of day
Need 3 things +
explanation
6 points
What’s your grade?
35 Points Total
Miss more than 14?
I’ll figure the grade!
-1 = 97
-2 = 94
-3 = 91
-4 = 89
-5 = 86
-6 = 83
-7 = 80
-8 = 77
-9 = 74
-10 = 71
-11 = 69
-12 = 66
-13 = 63
-14 = 60