DNA Investigation Failure

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There have been monumental advances in forensic science within the last half century that has revolutionized the way cases are investigated and tried. Today it is difficult to try someone if there is no forensic evidence linking the suspect to the crime. DNA is one of the most important and significant discoveries. DNA has been used to both exonerate and convict people and has also solved countless cold cases. While all areas of forensic science are crucial to the criminal justice system, DNA evidence is one type of evidence that is nearly impossible to dispute. The use of DNA in the criminal justice system has enhanced the system by making crimes easier to solve. Fifty years ago, crime scene investigators did not have the tools that are available to them today. There were no digital cameras or HD video cameras to document a crime scene (Schiro,2000). All…show more content…
The biggest failures occurred due to improper handling or analysis of the evidence. In 1991, a suspected serial rapist, Danny Harris of Los Angeles has the majority of his rape charges dropped due to improper handling of DNA (Hicks, 1991). While this was an unfortunate incident, it has allowed crime scene investigators to learn from mistakes and how to prevent them from happening again. Investigators have put in place a strict chain of command to keep evidence from being contaminated. Since DNA evidence has revolutionized juries have been extremely unwilling to convict someone without DNA evidence present. It has been widely believed that the lack of DNA evidence led to the acquittal of Casey Anthony. Some jurors who have chosen to speak have admitted that they believe she was guilty although they did not believe there was enough evidence to convict her. When on a jury everyone has to believe without a shadow of a doubt that the person is guilty and with DNA evidence it makes it unarguable that the suspect was there to commit the

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