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Shortfalls with blood pattern analysis

Georgia residents may be interested in learning the role that analyzing blood splatter has in unearthing the particulars of a crime. Blood pattern analysis can be traced back to 19th-century Europe. Since the mid-1900s, it has taken on a more prominent role in crime scene investigations in the United States.

Blood pattern analysis makes it possible for law enforcement agents to attempt to reconstruct what happened during a crime. Using their understanding of the way blood moves, how it splatters and how it smears, they attempt to reconstruct what weapons were used in a crime, where the victim and the perpetrator stood and other pertinent details.

Some have questioned the validity of blood pattern analysis. This is because there have been cases where blood pattern analysis provided evidence that led to an individual being convicted. With time, though, it became clear that the convicted individual was not guilty. The argument that is made against blood pattern analysis being used as evidence in court revolves around the fact that many believe those who do blood pattern analysis have not received sufficient training, they do not have valid accreditation, and there is some question behind the science used.

Predicting the mechanics of a fluid can be challenging. There are a number of ambient factors that need to be considered. The challenge becomes even greater when talking about blood as blood is part fluid and has solid parts. Blood varies from person to person in its density and pH levels. This can influence the way that blood reacts as a result of a gunshot or after an individual has been struck with a blunt object.

When a person is accused of a crime, a criminal defense attorney may defend their client by working to find holes in the evidence against them. They may avail themselves of the experience of expert witnesses and investigators in an attempt to prove their client's innocence or at least raise a reasonable doubt to their client's guilt.

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