Tread Impressions
Shoeprint and tire impressions are another example of pattern evidence analyzed by successive classification. Wear characteristics play a larger role in forensic analysis. Recovering these impressions can be more complicated given that surfaces can be indoor or outdoor in media such as snow, mud, and sand. As we will see, visualizing, photographing, and recovering these impressions can be challenging.
Learning Objectives
17.1 Recognize macro and micro features associated with footwear and tire impressions
17.2 Describe the common methods of casting and recovering such impressions is soft media liked sand, mud, and snow
17.3 List examples databases used in forensic practice for this type of impression evidence
