![]() ![]() If the impression is near a landmark, such as in a flowerbed at the corner of a house, a mid–range photograph probably would be adequate to show the location of the impression. It is important to include a recognizable landmark in the photograph so the location of the impression is understood. When taking photographs of footwear or tire impressions begin with a photograph to show where the impression is located in the crime scene. Follow with a close–up photograph of the impression. Take a photograph to establish the location of the impression within the crime scene. If the impression is properly photographed positive identification linking a suspect or vehicle to the crime is possible. ![]() If the casting fails, the photograph may be used to make an identification.Īt minor crime scenes impressions are usually photographed without casting. Also, photographs of an impression are taken in case there is a problem with the cast. Photography is done first because casting the impression will destroy the original impression and eliminate the ability to photograph the impression afterward. At major crime scenes impressions should be photographed before they are casted. The depth of tread and imperfections on the sides of the tread are preserved with casting. This is because impressions are three–dimensional and casting preserves three–dimensional evidence. Photographs of impressions are often used to make positive identifications, but casting of impressions provides the best evidence. Impression evidence can be collected by casting (filling the impression with a compound that hardens and retains the shape and characteristics of the impression) and with photography. When impressions are collected it is possible that identifications can be made linking a suspect or vehicle to the crime. © 2014 from the book Crime Scene and Evidence Photography, 2nd Editionįootwear and tire impressions are perhaps the most overlooked evidence at a crime scene. Footwear and Tire Track Impression Photography
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