![]() It electrostatically charges in the light soil. It can pick a dirty shoe print on surfaces.Īnother method involves the use of an electrostatic dust print lifting device. It is more flexible than the sticky lifter. The method involves the lifting of prints from any surface using a sheet of rubber. It requires the use of the fingerprint powders. It mainly picks the imprints from the smooth surfaces such as tile or hardwood surfaces. It involves the use of a wet coating of adhesive lifts. The lifting techniques include the adhesive lifter. Whatever method that the experts may use, they should be careful to collect the imprints as they are to prevent any distortions (Suboch, 2016). The forensic experts should also use the alternate light sources or chemical enhancers to get all the needed details and even use the latent marks. ![]() It is also critical to preserve the high-resolution images of the imprints. It also helps to prevent wrong assumptions. The angle enables the photos to have the right size for valid comparison. The photographer should ensure that he or she takes the photos at a 90° angle to the impression. There is usually a very slight difference between the shoe sizes. It includes taking photographs of the site and the evidence impression (Hails, 2012). Since impression evidence is easily damaged, there is a need to secure and document the scene before collecting the evidence. The collection and preservation methods should also preserve the integrity of the imprints. There is the need to have proper documentation just like any other evidence is essential for analysis. The examiner may have to use the lifting technique to transfer the imprint to a medium that can be of use in the laboratory. Sometimes it is not possible to collect the evidence when it is on a large surface like a counter. It could be a sheet of paper with the shoe print (Hails, 2012). For imprints, it is usually advisable to obtain the entire object that has the imprint. When the footwear impressions are on the soil or snow, casting is the best method to collect the samples. Some of the examples include the footprints on a hard surface, tiles, window sills, or metal counters. The examiners may have to use powder, chemicals, and even alternative light sources to discover such prints. The print results from the static charges between the sole of the shoe and the surface (Rose, 2008). It is not easily visible to the naked eye. It could the tracks of the shoe left in the sand, mud, or even snow. It is a three-dimensional impression left on a soft surface. ![]() For instance, there could be bloody shoe prints on the surface, on the body, or a piece of paper (Rose, 2008).Īnother type is the plastic footprint. Such marks are visible by the naked eye without any additional aids. It is the transfer of material from the shoe to the surface. The impressions are important for court proceedings. Shoe impression is the collection of proof from the shoe marks left behind by the suspects (Canter, 2010). The shoe print has helped to solve many crime incidences and the mysteries surrounding them.ĭuring investigations, the concerned team members try to find any meaningful evidence that helps to find any persons that are responsible for the crime. The shoe impression is one of the ways of examining and locating evidence at a crime scene. As the crime rate increases all over the world, security experts also improve their crime risk management.
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