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Articles 1 - 30 of 37
Full-Text Articles in Evidence
Symposium: Reimagining The Rules Of Evidence At 50, Edward K. Cheng
Symposium: Reimagining The Rules Of Evidence At 50, Edward K. Cheng
Vanderbilt Law School Faculty Publications
Prior to the eighteenth century, cartographers would often fill uncharted areas of maps with sea monsters, other artwork, or even rank speculation—a phenomenon labeled “horror vacui,” or fear of empty spaces. For example, in Paolo Forlani’s world map of 1565, a yet to-be-discovered southern continent was depicted with anticipated mountain chains and animals. The possible explanations for horror vacui are varied, but one reason may have been a desire “to hide [the mapmakers’] ignorance.” Not until “maps began to be thought of as more purely scientific instruments . . . [did] cartographers . . . restrain their concern about spaces …
Of Bass Notes And Base Rates: Avoiding Mistaken Inferences About Copying, Christopher Buccafusco, Rebecca Tushnet
Of Bass Notes And Base Rates: Avoiding Mistaken Inferences About Copying, Christopher Buccafusco, Rebecca Tushnet
Faculty Scholarship
To prove copyright infringement, a plaintiff must convince a jury that the defendant copied from the plaintiff’s work rather than independently creating it. To prove copying, especially cases involving music, it’s common for plaintiffs and their experts to argue that the similarities between the parties’ creative works are so great that it is simply implausible that the defendant’s work was created without copying from the plaintiff’s work. Unfortunately, in its present form, the argument is mathematically illiterate: It assumes, without any underlying evidence, that the experts know or could reasonably estimate how likely it is that a song with similarity …
Evidence On Fire, Valena Beety, Jennifer Oliva
Evidence On Fire, Valena Beety, Jennifer Oliva
Articles by Maurer Faculty
Fire science, a field largely developed by lay “arson investigators,” police officers, or similar first responders untrained in chemistry and physics, has been historically dominated by unreliable methodology, demonstrably false conclusions, and concomitant miscarriages of justice. Fire investigators are neither subject to proficiency testing nor required to obtain more than a high school education. Perhaps surprisingly, courts have largely spared many of the now debunked tenets of fire investigation any serious scientific scrutiny in criminal arson cases. This Article contrasts the courts’ ongoing lax admissibility of unreliable fire-science evidence in criminal cases with their strict exclusion of the same flimsy …
Controlling The Jury-Teaching Function, Richard D. Friedman
Controlling The Jury-Teaching Function, Richard D. Friedman
Articles
When evidence with a scientific basis is offered, two fundamental questions arise. First, should it be admitted? Second, if so, how should it be assessed? There are numerous participants who might play a role in deciding these questions—the jury (on the second question only), the parties (through counsel), expert witnesses on each side, the trial court, the forces controlling the judicial system (which include, but are not limited to, the appellate courts), and the scientific establishment. In this Article, I will suggest that together, the last two—the forces controlling the judicial system and the scientific establishment—have a large role to …
Introduction: Symposium On “Forensics, Statistics, And Law”, Brandon L. Garrett
Introduction: Symposium On “Forensics, Statistics, And Law”, Brandon L. Garrett
Faculty Scholarship
No abstract provided.
Challenges Facing Judges Regarding Expert Evidence In Criminal Cases, Paul W. Grimm
Challenges Facing Judges Regarding Expert Evidence In Criminal Cases, Paul W. Grimm
Faculty Scholarship
No abstract provided.
Forensics, Chicken Soup, And Meteorites: A Tribute To Michael Risinger, Edward K. Cheng
Forensics, Chicken Soup, And Meteorites: A Tribute To Michael Risinger, Edward K. Cheng
Vanderbilt Law School Faculty Publications
Michael Risinger's scholarship has had a profound impact on our field. And while his work has run the gamut in evidence law, I think it is clear that Michael's true love has always been expert evidence, and more specifically, forensics. So let me take a moment to revisit "an oldie but a goodie": his 1989 article entitled Exorcism of Ignorance as a Proxy for Rational Knowledge: The Lessons of Handwriting Identification "Expertise," published in the University of Pennsylvania Law Review, and co-authored with Mark Denbeaux and Michael Saks.' For those of you who have not read the article, you should. …
Discovering Forensic Fraud, Jennifer Oliva, Valena Beety
Discovering Forensic Fraud, Jennifer Oliva, Valena Beety
Articles by Maurer Faculty
This Essay posits that certain structural dynamics, which dominate criminal proceedings, significantly contribute to the admissibility of faulty forensic science in criminal trials. The authors believe that these dynamics are more insidious than questionable individual prosecutorial or judicial behavior in this context. Not only are judges likely to be former prosecutors, prosecutors are “repeat players” in criminal litigation and, as such, routinely support reduced pretrial protections for defendants. Therefore, we argue that the significant discrepancies between the civil and criminal pretrial discovery and disclosure rules warrant additional scrutiny.
In the criminal system, the near absence of any pretrial discovery means …
A Match Made On Earth: Getting Real About Science And The Law, Susan Haack
A Match Made On Earth: Getting Real About Science And The Law, Susan Haack
Articles
Modern legal systems increasingly depend on scientific testimony; but they also need somehow to ensure, so far as possible, that fact-finders aren't misled by highly speculative, poorly-conducted, or dishonestly-presented science. The Critical Common-sensist understanding of science that the author has developed in Defending Science and elsewhere sheds some light on why these interactions between law and science have proven so problematic. But Ms. Acharya's approach to these difficult issues rests on a flawed conception of the supposed "scientific method, " and an idea of legal "legitimacy" too weak to bear the weight she places on it; and her claim that …
Shaken Baby Syndrome, Abusive Head Trauma, And Actual Innocence: Getting It Right, Keith A. Findley, Patrick D. Barnes, David A. Moran, Waney Squier
Shaken Baby Syndrome, Abusive Head Trauma, And Actual Innocence: Getting It Right, Keith A. Findley, Patrick D. Barnes, David A. Moran, Waney Squier
Articles
In the past decade, the existence of shaken baby syndrome (SBS) has been called into serious question by biomechanical studies, the medical and legal literature, and the media. As a result of these questions, SBS has been renamed abusive head trauma (AHT). This is, however, primarily a terminological shift: like SBS, AHT refers to the two-part hypothesis that one can reliably diagnose shaking or abuse from three internal findings (subdural hemorrhage, retinal hemorrhage, and encephalopathy) and that one can identify the perpetrator based on the onset of symptoms. Over the past decade, we have learned that this hypothesis fits poorly …
Don’T I Know You?: The Effect Of Prior Acquaintance/Familiarity On Witness Identification, James E. Coleman Jr., Theresa A. Newman, Neil Vidmar, Elizabeth Zoeller
Don’T I Know You?: The Effect Of Prior Acquaintance/Familiarity On Witness Identification, James E. Coleman Jr., Theresa A. Newman, Neil Vidmar, Elizabeth Zoeller
Faculty Scholarship
No abstract provided.
Who Must Testify To The Results Of A Forensic Laboratory Test? Bullcoming V. New Mexico, Richard D. Friedman
Who Must Testify To The Results Of A Forensic Laboratory Test? Bullcoming V. New Mexico, Richard D. Friedman
Articles
Does the Confrontation Clause permit the prosecution to introduce a forensic laboratory report through the in-court testimony of a supervisor or other person who did not perform or observe the reported test?
Race, Genes And Justice: A Call To Reform The Presentation Of Forensic Dna Evidence In Criminal Trials, Jonathan Kahn
Race, Genes And Justice: A Call To Reform The Presentation Of Forensic Dna Evidence In Criminal Trials, Jonathan Kahn
Faculty Scholarship
The article considers how and when, if at all, is it appropriate to use race in presenting forensic DNA evidence in a court of law? This relatively straightforward question has been wholly overlooked by legal scholars. By pursuing it, this article promises to transform fundamentally the presentation forensic DNA evidence. Currently, it is standard practice for prosecutors to use race in presenting the odds that a given defendant's DNA matches DNA found at a crime scene. This article takes an interdisciplinary approach to question the validity of this widespread but largely uninterrogated practice. It examines how race came to enter …
Irreconcilable Differences? The Troubled Marriage Of Science And Law, Susan Haack
Irreconcilable Differences? The Troubled Marriage Of Science And Law, Susan Haack
Articles
No abstract provided.
What's Wrong With Litigation-Driven Science? An Essay In Legal Epistemology, Susan Haack
What's Wrong With Litigation-Driven Science? An Essay In Legal Epistemology, Susan Haack
Articles
No abstract provided.
Of Truth, In Science And In Law, Susan Haack
Science, Intersubjective Validity, And Judicial Legitimacy, Richard B. Katskee
Science, Intersubjective Validity, And Judicial Legitimacy, Richard B. Katskee
Faculty Scholarship
No abstract provided.
Gatekeeping, Peter B. Oh
Gatekeeping, Peter B. Oh
Articles
Gatekeeping is a metaphor ubiquitous across disciplines and within fields of law. Generally, gatekeeping comprises an actor monitoring the quality of information, products, or services. Specific conceptions of gatekeeping functions have arisen independently within corporate and evidentiary law. Corporate gatekeeping entails deciding whether to grant or withhold support necessary for financial disclosure; evidentiary gatekeeping entails assessing whether expert knowledge is relevant and reliable for admissibility. This article is the first to identify substantive parallels between gatekeeping in these two contexts and to suggest their cross-treatment. Public corporate gatekeepers, like their judicial evidentiary analogues, should bear a duty of reliable monitoring.
Why Judges Applying The Daubert Trilogy Need To Know About The Social, Institutional, And Rhetorical -- And Not Just The Methodological Aspects Of Science, Lewis H. Larue, David S. Caudill
Why Judges Applying The Daubert Trilogy Need To Know About The Social, Institutional, And Rhetorical -- And Not Just The Methodological Aspects Of Science, Lewis H. Larue, David S. Caudill
Scholarly Articles
In response to the claim that many judges are deficient in their understanding of scientific methodology, this Article identifies in recent cases (i) a pragmatic perspective on the part of federal appellate judges when they reverse trial judges who tend to idealize science (i.e., who do not appreciate the local and practical goals and limitations of science), and (ii) an educational model of judicial gatekeeping that results in reversal of trial judges who defer to the social authority of science (i.e., who mistake authority for reliability). Next, this Article observes that courts (in the cases it analyzes) are not interested …
Expert Information And Expert Evidence: A Preliminary Taxonomy, Samuel R. Gross, Jennifer L. Mnookin
Expert Information And Expert Evidence: A Preliminary Taxonomy, Samuel R. Gross, Jennifer L. Mnookin
Articles
Federal Rule of Evidence 702 speaks in very general terms. It governs every situation in which "scientific, technical or other specialized knowledge will assist the trier of fact," and provides that, in that situation, "a witness qualified as an expert by knowledge, skill, experience, or education, may testify thereto in the form of an opinion or otherwise . . . .' In 2000, following a trio of Supreme Court cases interpreting Rule 702, the Rule was amended to include a third requirement, in addition to the helpfulness of the testimony and the qualifications of the witness: reliability. Under Rule 702 …
Squeezing Daubert Out Of The Picture, Richard D. Friedman
Squeezing Daubert Out Of The Picture, Richard D. Friedman
Articles
In this essay, I will offer some thoughts on how we might reframe the issues governing the admissibility of expert evidence. My principal focus is not on any particular type of expert evidence but on broader questions: the extent to which we ought to rely on rulings of admissibility, the standards that should govern admissibility rulings, and the role of the trial and appellate courts in making those rulings. To some extent, I will concentrate on the context of criminal cases, but for the most part my conclusions apply in both civil and criminal litigation. Here are my conclusions: First, …
Minimizing The Jury Over-Valuation Concern (Visions Of Rationality In Evidence Law Symposium), Richard D. Friedman
Minimizing The Jury Over-Valuation Concern (Visions Of Rationality In Evidence Law Symposium), Richard D. Friedman
Articles
A great deal of the rhetoric of evidence discourse concerns the supposed cognitive inadequacies of the jury. In various contexts we are told that although an item of evidence is probative, it must be excluded because the jury will give it too much weight. I believe this approach has played far too great a role in evidentiary law, and that it is an interesting project to see whether we can construct a satisfactory body of law without relying at all on the cognitive inadequacy argument. I think that, at least to a large extent, we can. In some settings, where …
Expert Testimony On Fingerprints: An Internet Exchange, Richard D. Friedman, David H. Kaye, Jennifer Mnookin, Dale Nance, Michael Saks
Expert Testimony On Fingerprints: An Internet Exchange, Richard D. Friedman, David H. Kaye, Jennifer Mnookin, Dale Nance, Michael Saks
Articles
In United States v. Llera Plaza, 188 F. Supp. 2d 549 (E.D. Pa. 2002), a federal district initially limited expert opinion testimony on fingerprint identifications because the government was unable to show that such identifications were sufficiently valid and reliable under Federal Rule of Evidence 702. Then, the court withdrew the opinion. This article reproduces an exchange of notes on the initial opinion submitted by five law professors.
Choice And Boundary Problems In Logerquist, Hummert, And Kumho Tire, David H. Kaye
Choice And Boundary Problems In Logerquist, Hummert, And Kumho Tire, David H. Kaye
Journal Articles
This article, part of a symposium on the opinion of the Arizona Supreme Court in Logerquist v. McVey, questions that court’s rationales for refusing to apply heightened scrutiny to psychiatric testimony about the retrieval of repressed memories. It also challenges the court’s use of a “personal observations” exception to the heightened scrutiny standard of Frye v. United States. It proposes that a better solution to problems of scientific and expert evidence would be to adopt a sliding scale that attends to the use to which the evidence is put and the degree to which it has been shown to be …
A Suggestion On Suggestion, Richard D. Friedman, Stephen J. Ceci
A Suggestion On Suggestion, Richard D. Friedman, Stephen J. Ceci
Articles
Part I of the full article briefly describes the history and current slate of research into children's suggestibility. In this part, we argue that, although psychological researchers disagree considerably over the degree to which he suggestibility of young children may lead to false allegations of sexual abuse, there is an overwhelming consensus that children are suggestible to a degree that, we believe, must be regarded as significant. In presenting this argument, we respond to the contentions of revisionist scholars, particularly those recently expressed by Professor Lyon. We show that there is good reason to believe the use of highly suggestive …
The Suggestibility Of Children: Scientific Research And Legal Implications, Stephen J. Ceci, Richard D. Friedman
The Suggestibility Of Children: Scientific Research And Legal Implications, Stephen J. Ceci, Richard D. Friedman
Articles
In this Article, Professors Ceci and Friedman analyze psychological studies on children's suggestibility and find a broad consensus that young children are suggestible to a significant degree. Studies confirm that interviewers commonly use suggestive interviewing techniques that exacerbate this suggestibility, creating a significant risk in some forensic contexts-notably but not exclusively those of suspected child abuse-that children will make false assertions of fact. Professors Ceci and Friedman address the implications of this difficulty for the legal system and respond to Professor Lyon's criticism of this view recently articulated in the Cornell Law Review. Using Bayesian probability theory, Professors Ceci and …
Probability And Proof In State V. Skipper: An Internet Exchange, Ronald J. Allen, David J. Balding, Peter Donnelly, Richard D. Friedman, David H. Kaye, Lewis Henry Larue, Roger C. Park, Bernard Robertson, Alexander Stein
Probability And Proof In State V. Skipper: An Internet Exchange, Ronald J. Allen, David J. Balding, Peter Donnelly, Richard D. Friedman, David H. Kaye, Lewis Henry Larue, Roger C. Park, Bernard Robertson, Alexander Stein
Articles
This is not a conventional article. It is an edited version of messages sent to an Internet discussion list. The listings begin with the mention of a recent opinion of the Connecticut Supreme Court, parts of which are reproduced below. The listings soon move to broader issues concerning probability and other formal systems, their limitations, and their uses either in court or as devices for understanding legal proof.
The Death And Transfiguration Of Frye, Richard D. Friedman
The Death And Transfiguration Of Frye, Richard D. Friedman
Articles
The rule of Frye v. United States was seventy years old, and had long dominated American law on the question of how well established a scientific principle must be for it to provide the basis for expert testimony. Even after the passage of the Federal Rules of Evidence, several of the federal circuits, as well as various states, purported to adhere to Frye's "general acceptance" standard. But now, unanimously, briefly, and with no apparent angst, the United States Supreme Court has held in Daubert v. Merrell Dow Pharmaceuticals, Inc. that the Frye rule is incompatible with the Federal Rules.
Social Science And The Courts: The Role Of Amicus Curiae Briefs, Ronald G. Roesch, Stephen L. Golding, Valerie P. Hans, N. Dickon Reppucci
Social Science And The Courts: The Role Of Amicus Curiae Briefs, Ronald G. Roesch, Stephen L. Golding, Valerie P. Hans, N. Dickon Reppucci
Cornell Law Faculty Publications
Social scientists have increasingly become involved in the submission of amicus curiae or "friend of the court" briefs in legal cases being decided by state and federal courts. This increase has triggered considerable debate about the use of briefs to communicate relevant social science research. This article evaluates the strengths and weaknesses of various methods of summarizing social science research for the courts. It also reviews the procedures for submitting briefs developed by the American Psychology-Law Society which, in collaboration with the American Psychological Association, has submitted its first brief in Maryland v. Craig, a case recently decided by …
Expert Evidence, Samuel R. Gross
Expert Evidence, Samuel R. Gross
Articles
It seems that the use of expert witnesses in common law courts has always been troublesome. In his Treatise on the Law of Evidence, first published in 1848, Judge John Pitt Taylor describes several classes of witnesses whose testimony should be viewed with caution, including: enslaved people (which accounts for "the lamentable neglect of truth, which is evinced by most of the nations of India, by the subjects of the Czar, and by many of the peasantry in Ireland"); women (because they are more susceptible to "an innate vain love of the marvelous"); and "foreigners and others ... living out …