Video Presentations


Crime Scene Investigation and Documentation



Processing the Crime Scene


This presentation on processing the crime scene includes where to start; prioritizing the collection of evidence; crime scene search methods; collection and submitting evidence; and crime scene reconstruction.

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Crime Scene Documentation


Learn how crime scenes are documented with photographs, sketches, and notes, forms and reports.

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Crime Scene Sketching


This demonstration on creating a crime sketch includes taking measurements; creating a rough sketch; and producing the final diagram.

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Crime Scene Reconstruction


This video includes the importance of crime scene reconstruction and when it should be considered in the investigation of crime scenes. It also includes distance determinations in firearms cases and a demonstration on using rods, strings and lasers for bullet trajectory reconstruction.



Crime Scene Photography

Chandler Police Department's Crime Scene Technician Lili Valdivia gives an overview of crime scene photography.