Misleading Dna Evidence
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Misleading Dna Evidence
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Author : Peter Gill
language : en
Publisher: Academic Press
Release Date : 2014-06-01
Misleading Dna Evidence written by Peter Gill and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-01 with Law categories.
DNA has become the gold standard by which a person can be placed at the scene of a crime, and the past decade has seen great advances in this powerful crime solving tool. But the statistics that analysts can attach to DNA evidence often vary, and in some cases the statistical weight assigned to that match, can vary enormously. The numbers provided to juries often overstate the evidence, and can result in a wrongful conviction. In addition to statistics, the way the evidence is collected, stored and analyzed can also result in a wrongful conviction due to contamination. This book reviews high-profile and somewhat contentious cases to illustrate these points, including the death of Meredith Kercher. It examines crucial topics such as characterization of errors and determination of error rates, reporting DNA profiles and the source and sub-source levels, and the essentials of statement writing. It is a concise, readable resource that will help not only scientists, but legal professionals with limited scientific backgrounds, to understand the intricacies of DNA use in the justice system.
Misleading Dna Evidence
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Author : Peter Gill
language : en
Publisher: Elsevier
Release Date : 2014-06-18
Misleading Dna Evidence written by Peter Gill and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-18 with Social Science categories.
Misleading DNA Evidence: A Guide for Scientists, Judges, and Lawyers presents the reasons miscarriages of justice can occur when dealing with DNA, what the role of the forensic scientist is throughout the process, and how judges and lawyers can educate themselves about all of the possibilities to consider when dealing with cases that involve DNA evidence. DNA has become the gold standard by which a person can be placed at the scene of a crime, and the past decade has seen great advances in this powerful crime solving tool. But the statistics that analysts can attach to DNA evidence often vary, and in some cases the statistical weight assigned to that match, can vary enormously. The numbers provided to juries often overstate the evidence, and can result in a wrongful conviction. In addition to statistics, the way the evidence is collected, stored and analyzed can also result in a wrongful conviction due to contamination. This book reviews high-profile and somewhat contentious cases to illustrate these points, including the death of Meredith Kercher. It examines crucial topics such as characterization of errors and determination of error rates, reporting DNA profiles and the source and sub-source levels, and the essentials of statement writing. It is a concise, readable resource that will help not only scientists, but legal professionals with limited scientific backgrounds, to understand the intricacies of DNA use in the justice system. Ideal reference for scientists and for those without extensive scientific backgrounds Written by one of the pioneers in forensic DNA typing and interpretation of DNA profiling results Ideal format for travel, court environments, or wherever easy access to reference material is vital
The Evaluation Of Forensic Dna Evidence
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 1997-01-12
The Evaluation Of Forensic Dna Evidence written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-01-12 with Science categories.
In 1992 the National Research Council issued DNA Technology in Forensic Science, a book that documented the state of the art in this emerging field. Recently, this volume was brought to worldwide attention in the murder trial of celebrity O. J. Simpson. The Evaluation of Forensic DNA Evidence reports on developments in population genetics and statistics since the original volume was published. The committee comments on statements in the original book that proved controversial or that have been misapplied in the courts. This volume offers recommendations for handling DNA samples, performing calculations, and other aspects of using DNA as a forensic toolâ€"modifying some recommendations presented in the 1992 volume. The update addresses two major areas: Determination of DNA profiles. The committee considers how laboratory errors (particularly false matches) can arise, how errors might be reduced, and how to take into account the fact that the error rate can never be reduced to zero. Interpretation of a finding that the DNA profile of a suspect or victim matches the evidence DNA. The committee addresses controversies in population genetics, exploring the problems that arise from the mixture of groups and subgroups in the American population and how this substructure can be accounted for in calculating frequencies. This volume examines statistical issues in interpreting frequencies as probabilities, including adjustments when a suspect is found through a database search. The committee includes a detailed discussion of what its recommendations would mean in the courtroom, with numerous case citations. By resolving several remaining issues in the evaluation of this increasingly important area of forensic evidence, this technical update will be important to forensic scientists and population geneticistsâ€"and helpful to attorneys, judges, and others who need to understand DNA and the law. Anyone working in laboratories and in the courts or anyone studying this issue should own this book.
Dna Technology In Forensic Science
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 1992-02-01
Dna Technology In Forensic Science written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992-02-01 with Science categories.
Matching DNA samples from crime scenes and suspects is rapidly becoming a key source of evidence for use in our justice system. DNA Technology in Forensic Science offers recommendations for resolving crucial questions that are emerging as DNA typing becomes more widespread. The volume addresses key issues: Quality and reliability in DNA typing, including the introduction of new technologies, problems of standardization, and approaches to certification. DNA typing in the courtroom, including issues of population genetics, levels of understanding among judges and juries, and admissibility. Societal issues, such as privacy of DNA data, storage of samples and data, and the rights of defendants to quality testing technology. Combining this original volume with the new update-The Evaluation of Forensic DNA Evidence-provides the complete, up-to-date picture of this highly important and visible topic. This volume offers important guidance to anyone working with this emerging law enforcement tool: policymakers, specialists in criminal law, forensic scientists, geneticists, researchers, faculty, and students.
How The Probability Of A False Positive Affects The Value Of Dna Evidence
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Author : WC. Thompson
language : en
Publisher:
Release Date : 2003
How The Probability Of A False Positive Affects The Value Of Dna Evidence written by WC. Thompson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Bayes Theorem categories.
Errors in sample handling or test interpretation may cause false positives in forensic DNA testing. This article uses a Bayesian model to show how the potential for a false positive affects the evidentiary value of DNA evidence and the sufficiency of DNA evidence to meet traditional legal standards for conviction. The Bayesian analysis is contrasted with the "false positive fallacy," an intuitively appealing but erroneous alternative interpretation. The findings show the importance of having accurate information about both the random match probability and the false positive probability when evaluating DNA evidence. It is argued that ignoring or underestimating the potential for a false positive can lead to serious errors of interpretation, particularly when the suspect is identified through a "DNA dragnet" or database search, and that ignorance of the true rate of error creates an important element of uncertainty about the value of DNA evidence.
Dna Evidence
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Author : T.R. Thomas
language : en
Publisher: Saddleback Educational Publishing
Release Date : 2010-01-01
Dna Evidence written by T.R. Thomas and has been published by Saddleback Educational Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-01-01 with Juvenile Nonfiction categories.
Bursting with facts, these books will truly enthrall struggling readers. Nonfiction titles cover high-interest topics both creepy and utterly terrifying. Each title is thoroughly researched and includes an introduction, five chapters, an epilogue, glossary, and index. On-the-scene photography captures students' imagination and spurs further reading. These are books that struggling readers will not put down! What is DNA evidence? How is it collected? Can DNA evidence solve crimes? These topics are explored in five high-interest chapters including those convicted and then exonerated because of new DNA technology.
False Justice
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Author : Jim Petro
language : en
Publisher: Routledge
Release Date : 2014-07-11
False Justice written by Jim Petro and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-11 with Social Science categories.
Compelling and engagingly written, this book by former Attorney General of Ohio Jim Petro and his wife, writer Nancy Petro, takes the reader inside actual cases, summarizes extensive research on the causes and consequences of wrongful conviction, and exposes eight common myths that inspire false confidence in the justice system and undermine reform. Now published in paperback with an extensive list of web links to wrongful conviction sources internationally, False Justice is ideal for use in a wide array of criminal justice and criminology courses. Myth 1: Everyone in prison claims innocence. Myth 2: Our system almost never convicts an innocent person. Myth 3: Only the guilty confess. Myth 4: Wrongful conviction is the result of innocent human error. Myth 5: An eyewitness is the best testimony. Myth 6: Conviction errors get corrected on appeal. Myth 7: It dishonors the victim to question a conviction. Myth 8: If the justice system has problems, the pros will fix them.
Dealing With Dna Evidence
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Author : Andrei Semikhodskii
language : en
Publisher: Routledge
Release Date : 2007-08-07
Dealing With Dna Evidence written by Andrei Semikhodskii and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-08-07 with Law categories.
Giving the reader an in-depth understanding of DNA evidence in criminal practice, this text explains in clear language how DNA evidence is obtained and how it can be successfully challenged in court to minimize its impact or even dismiss it completely. Since it first entered the criminal legal practice DNA has become an indispensable tool in fighting crime, as it allows both unambiguous identification of the criminal by traces of biological material left at the crime scene as well as acquitting innocent suspects. This book: outlines the various types of testing used to obtain DNA evidence highlights the weaknesses of DNA testing, presenting and discussing defence strategies for refuting DNA evidence shows how DNA should be treated as just another piece of evidence and how on its own it is often not enough to convict someone of a particular crime. This book is essential reading for students and practitioners of criminal law and practice and forensic science and law.
False Justice
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Author : Jim Petro
language : en
Publisher: Routledge
Release Date : 2014-07-11
False Justice written by Jim Petro and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-11 with Social Science categories.
Compelling and engagingly written, this book by former Attorney General of Ohio Jim Petro and his wife, writer Nancy Petro, takes the reader inside actual cases, summarizes extensive research on the causes and consequences of wrongful conviction, and exposes eight common myths that inspire false confidence in the justice system and undermine reform. Now published in paperback with an extensive list of web links to wrongful conviction sources internationally, False Justice is ideal for use in a wide array of criminal justice and criminology courses. Myth 1: Everyone in prison claims innocence. Myth 2: Our system almost never convicts an innocent person. Myth 3: Only the guilty confess. Myth 4: Wrongful conviction is the result of innocent human error. Myth 5: An eyewitness is the best testimony. Myth 6: Conviction errors get corrected on appeal. Myth 7: It dishonors the victim to question a conviction. Myth 8: If the justice system has problems, the pros will fix them.
Convicting The Innocent
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Author : Brandon L. Garrett
language : en
Publisher: Harvard University Press
Release Date : 2011-08-04
Convicting The Innocent written by Brandon L. Garrett and has been published by Harvard University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-04 with Art categories.
On January 20, 1984, Earl Washington—defended for all of forty minutes by a lawyer who had never tried a death penalty case—was found guilty of rape and murder in the state of Virginia and sentenced to death. After nine years on death row, DNA testing cast doubt on his conviction and saved his life. However, he spent another eight years in prison before more sophisticated DNA technology proved his innocence and convicted the guilty man. DNA exonerations have shattered confidence in the criminal justice system by exposing how often we have convicted the innocent and let the guilty walk free. In this unsettling in-depth analysis, Brandon Garrett examines what went wrong in the cases of the first 250 wrongfully convicted people to be exonerated by DNA testing. Based on trial transcripts, Garrett’s investigation into the causes of wrongful convictions reveals larger patterns of incompetence, abuse, and error. Evidence corrupted by suggestive eyewitness procedures, coercive interrogations, unsound and unreliable forensics, shoddy investigative practices, cognitive bias, and poor lawyering illustrates the weaknesses built into our current criminal justice system. Garrett proposes practical reforms that rely more on documented, recorded, and audited evidence, and less on fallible human memory. Very few crimes committed in the United States involve biological evidence that can be tested using DNA. How many unjust convictions are there that we will never discover? Convicting the Innocent makes a powerful case for systemic reforms to improve the accuracy of all criminal cases.