Forensic and DNA (Tire Impression)
Tire impressions
Sometimes we fail to be conscious that every movement we make whether in a vehicle or on foot definitely leaves behind some kind of impression. Like the screeching off in a gateway car leaves tire tread marks. The tire impressions left can be subjected to forensic to determine the type of car which entered the place of crime.
Generally impression evidence will occur when a material or object takes on the form of another object especially in terms of direct physical contact. In a trial jury or a judge can consider any type of impression to act as evidence. Upon collection of the evidence by investigators then these impressions are used to find legitimate matches.
Tire impression can be left on within sand, snow, dirt, or mud sometimes on a victim where there is a crime scene. Such tire impressions are majorly collected by casting, photographing, or using the victim's clothes. Even though tire impressions are a bit easier to identify they work the same way footprints works. Using tire impression an investigator can identify the used brand of tire and a further inspection can reveal the defects and wear on a tire treads that was probably caused by gravel, nails, patches, as well as alignment problems capable of identifying a unique set of tires, (Fuller, John., 2008).
There are two types of impressions that can be left at a place of crime. A visible impressions and a latent impression. Visible impression happens when the marks is transferred from a tire to the surface and can be seen by use of our naked eyes without using additional help, for...
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