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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 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 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
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
Fundamentals of Forensic Science by Houck and Siegel, pg. 36
FRSC 7104 – Chapter Two Outline • Search for Physical Evidence • Examples of what to collect • How to collect and package items
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
FRSC 7104 – Chapter Two Outline • Chain of Custody
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
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