Collecting Footwear and Tire Impressions in Snow

A free online course, "Collecting Footwear and Tire Impressions in Snow," will air January 29, 2014, from 1-2 pm ET.

From footwear to tire to snowmobile impressions, snow impressions can provide extremely valuable evidence in helping to resolve criminal investigations. Unfortunately, photographing and obtaining a cast of a snow impression is often a challenge for the crime scene examiner. This presentation will review techniques for photographing and casting snow impressions found at the crime scene. Methods for utilizing dental stone, fast setting plaster, and sulfur cement casting of snow impressions will be examined, showing how the type of snow and weather conditions may determine which casting technique to use.

Register for the course.

 
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Forensic Podiatry (Part Two of Two)

THE DISCIPLINE of forensic podiatry—or, in other words, the examination of pedal evidence—has progressed significantly over the past ten years. It is no longer a question of “What can you do with a footprint?” but rather, “Who can we use to evaluate the footprint?” Cases involving pedal evidence, especially bloody footprints and issues of determining shoe sizing or fit issues compared to questioned footwear, have become more common over the past two or three years.

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