Forensic Science in Criminal Courts: Ensuring Scientific Validity of Feature-Comparison Methods

white-house“Forensic science” has been defined as the application of scientific or technical practices to the recognition, collection, analysis, and interpretation of evidence for criminal and civil law or regulatory issues. Developments over the past two decades—including the exoneration of defendants who had been wrongfully convicted based in part on forensic-science evidence, a variety of studies of the scientific underpinnings of the forensic disciplines, reviews of expert testimony based on forensic findings, and scandals in state crime laboratories— have called increasing attention to the question of the validity and reliability of some important forms of forensic evidence and of testimony based upon them.
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