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Crime Scene Documentation

Crime Scene Documentation. 1.1 Explaining how to search, sketch, and record data from a crime scene. Equipment Used. Cameras (digital and film) Different types of film Different lenses Flashes Filters Tripod Sketchpad Graph paper Measuring tape Notepad. Crime Scene Documentation:.

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Crime Scene Documentation

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  1. Crime Scene Documentation 1.1 Explaining how to search, sketch, and record data from a crime scene.

  2. Equipment Used • Cameras (digital and film) • Different types of film • Different lenses • Flashes • Filters • Tripod • Sketchpad • Graph paper • Measuring tape • Notepad

  3. Crime Scene Documentation: • Occurs during the second walk-through • Follows same path as first walk-through • These jobs can be shared if more than one CSI is present.

  4. Note-taking at the Scene • Uses scientific observation • Make only factual observations. • Make no assumptions; form no opinions. • “blood spreading outward from underside of corpse” vs. “large, brownish-red fluid spreading outward from underside of corpse”

  5. Photographs • Take pics of everything BEFORE anything is touched or moved. • Even the corpse is not touched until it and the surrounding area have been photographed. • 3 types of photos taken: • Overviews • Mid-views • Close-ups

  6. Crime Scene Photographs

  7. Overview Shots • The widest possible views of the entire scene • Views of ALL rooms with photos from each corner and overhead • Views of the outside of the building, including all entrances and exits • Views of the building in relation to other structures • Photos of any spectators at the scene (???)

  8. Mid-range Photos • To show key pieces of evidence in their original context • Location in the room • Distance from other pieces of evidence

  9. Close-ups • Individual pieces of evidence to show details and serial numbers • Second set of evidence pieces with a ruler for scale • Every photo is included in a photo log.

  10. Photo Log Includes: • Photograph number • Description of the object or scene in the photograph • Location of object or scene • Time and date of photo

  11. Sketches • Shows exact locations of evidence and how each piece relates to the rest of the scene • Includes details like • door heights, • room size, • distance from door to windows, • diameter of hole in wall above victim’s body • Angle measurements

  12. Video • Captures entire scene and surrounding area • ****Next: Evidence Collection

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