The National Institute of Standards and Technology (NIST) has announced a competition to create a Forensic Science Center of Excellence dedicated to collaborative, interdisciplinary research. The center’s mission will be to establish a firm scientific foundation for the analytic techniques used in two important branches of forensic science, pattern evidence and digital evidence. The seminal 2009 National Research Council report Strengthening Forensic Science in the United States – A Path Forward called for a thorough examination of the techniques used in forensic analysis to better understand their strengths and limitations. It also called for establishing scientifically rigorous standards and practices, including the development of tools and methods to better standardize analytical protocols. Forensic investigations involve the collection of evidence, measurements of the evidence, analysis of those measurements and the determination of conclusions of known validity. One important goal is to develop so-called “probabilistic methods”—techniques that produce a quantifiable assessment of the likelihood that a given method produced a correct result. Forensic DNA analyses, for example, typically report the probability that an apparent match between two separate samples could come about by chance. The new NIST-sponsored center will focus on developing probabilistic methods for dealing with pattern evidence and digital evidence. Pattern
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