The Standard Rules by The Federal Court Rules and Admissions of Expert Testimony on DNA Evidence
Scientific evidence is a crucial component in many civil and criminal trials today. It covers an extensive range of concepts, procedures and assessments that have been made easier to present by use of technology. Expert testimony admission in Federal courts originated from a lawsuit filed by United States vs. Frye, a man, charged with second-degree murder. In his defense, he sought to present his systolic blood pressure as a way to prove his innocence. His case led to the Federal Rules of Evidence adopting scientific evidence in 1975 (Giannelli & Imwinkelried, 1993. P.259). Principles were after that laid out to ensure the scientific brought out could be relied on and trusted.
Firstly, the use of expert testimony. In court cases, a witness is always vital. They are charged with recounting the events they witnessed through direct observation and hearing. Such as; identifying the perpetrator, the color of the car, speed of a car or what transpired (Faigman, 1995. P. 401). However, an eyewitness can only contribute so much.
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In conclusion, scientific evidence have become a vital necessity courts in America. However, their use must be verified thoroughly to ensure high standards of the authority of the law.
Becker, E. R., & Orenstein, A. (1991). Federal Rules of Evidence After Sixteen Years–The Effect of Plain Meaning Jurisprudence, the Need for an Advisory Committee on the Rules of Evidence, and Suggestions for Selective Revision of the Rules. Geo. Wash. L. Rev., 60, 857.
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