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Chapter Two – Crime Scene Investigation

Chapter Two – Crime Scene Investigation. FRSC 7104 Criminalistics I Professor Bensley. FRSC 7104 - Chapter Two Objectives. After studying this chapter, the student should be able to:  Understand the goals of processing a crime scene

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Chapter Two – Crime Scene Investigation

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  1. Chapter Two – Crime Scene Investigation FRSC 7104 Criminalistics I Professor Bensley

  2. FRSC 7104 - Chapter Two Objectives After studying this chapter, the student should be able to:  Understand the goals of processing a crime scene  Describe the key players of a crime scene investigation and their duties  Identify key methods used in crime scene processing and evidence collection  Understand the safety concerns and precautions taken in crime scene investigation

  3. FRSC 7104 – Chapter Two Outline • Definition of Physical Evidence • The Crime Scene • Prior to your arrival • Scene Documentation • Notebook • Initial Rough Sketch • Photography • Detailed Sketch

  4. Fundamentals of Forensic Science by Houck and Siegel, pg. 36

  5. FRSC 7104 – Chapter Two Outline • Search for Physical Evidence • Examples of what to collect • How to collect and package items

  6. Druggist’s Fold (Bindle) 6) Fold down top and insert into bottom opening 7) Seal end with tape 1) Use clean paper 1 6 7 2) Crease four times 5) Place evidence inside opening 2 5 3) Fold into thirds 4) Fold bottom up 4 3

  7. FRSC 7104 – Chapter Two Outline • Chain of Custody

  8. FRSC 7104 – Chapter Two Outline • Standard or Reference Samples • Substrate controls • Evidence Submission • Safety at the Crime Scene • Legal Considerations • Mincey v. Arizona • Michigan v. Tyler • Humane and Ethical Considerations at the Crime Scene

  9. FRSC 7104 – Chapter Two Outline Chapter Summary • Crime scene is the center of the forensic world • Careful processing of the scene is a must • CSI is guided by standard operating procedures, protocols, training, experience, and education

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