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Todd Wheeler Chapter 4 - Blowup sketches are for small...

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Todd Wheeler Chapter 4 1. Sketches do not replace notes and photographs, but they supplement these modes of crime scene documentation. 2. Sketches provide a means of documenting the accurate location of evidence items. 3. The crime scene sketch can be used to illustrate the testimony of witnesses. 4. Sketches provide factual data for crime scene reconstruction. 5. Investigators should plan systematically for sketching the scene. 6. The first sketches should be rough sketches to show the overall scene. 7. Detailed sketches contain measurements to show accurately the relationships of evidence items and other items at the scene. 8.
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Unformatted text preview: Blowup sketches are for small areas and those areas with a large number of evidence items. 9. Measurements on the same sketch should have equal accuracy. 10. The sketcher should use only proven measurement methods. 11. If the measurement tape sags, there will be an error in the measurement. 12. Two individuals should verify all measurements. 13. Each evidence item requires measurement to reference points. 14. The rectangular coordinate measurement method requires measurements to two walls that abut each other. 15. The exploded view sketch shows the scene with the walls lying down ....
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