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Unit 1 Review Crime Scene Basics & Eyewitness Basics T. Trimpe 2006

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Presentation on theme: "Unit 1 Review Crime Scene Basics & Eyewitness Basics T. Trimpe 2006"— Presentation transcript:

1 Unit 1 Review Crime Scene Basics & Eyewitness Basics T. Trimpe 2006 http://sciencespot.net/

2 1 point each Spelling counts!

3 Answer each question to the best of your knowledge. A. What are the four steps used to analyze a crime scene? B. What type of evidence does the FBI consider to be the most valuable? ______________ 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 Interview Examine Document Process 4 points DNA 1 point

4 D. Write the correct letter in each blank to identify each person involved in a crime scene investigation. A. POLICE OFFICERS B. CSI UNIT C. DISTRICT ATTORNEY D. MEDICAL EXAMINER E. SPECIALISTS F. DETECTIVES 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 Interviews witnesses and works with the CSI unit to investigate the crime Usually the first to arrive at a crime scene; responsible for securing the scene and detaining persons of interest Determines the preliminary cause of death at the crime scene and conducts the autopsy Helps to determine if any search warrants are required to proceed and obtains those warrants from a judge May be called in if an expert is needed to analyze insect evidence or skeletal remains Documents the crime scene in detail and collects any physical evidence 6 points F A D C E B

5 Whats your grade? -1 = 97 -2 = 94 -3 = 91 -4 = 89 -5 = 86 -6 = 83 -7 = 80 35 Points Total Miss more than 14? Ill figure the grade! -8 = 77 -9 = 74 -10 = 71 -11 = 69 -12 = 66 -13 = 63 -14 = 60


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