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Full-Text Articles in Law

A Very Brief Primer On Bayesian Methods In Evidence, Richard D. Friedman Jan 2002

A Very Brief Primer On Bayesian Methods In Evidence, Richard D. Friedman

Articles

I have been asked to write an extremely short explanation of the Bayesian approach to evidentiary issues, for the benefit of those who regard themselves as probabilistically challenged. Although the application of Bayesian probability to evidence has generated a good deal of debate, its use as a heuristic device should not be particularly controversial. Evidence concerns propositions that are uncertain. Accordingly, some concept of probability must play a role. Standards of persuasion, such as "more likely than not" and "beyond a reasonable doubt" are clearly probabilistic, and the definition of relevant evidence, as expressed in Fed. R. Evid. 40 I ...


Expert Testimony On Fingerprints: An Internet Exchange, Richard D. Friedman, David H. Kaye, Jennifer Mnookin, Dale Nance, Michael Saks Jan 2002

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.


The Conundrum Of Children, Confrontation, And Hearsay, Richard D. Friedman Jan 2002

The Conundrum Of Children, Confrontation, And Hearsay, Richard D. Friedman

Articles

The adjudication of child abuse claims poses an excruciatingly difficult conundrum. The crime is a terrible one, but false convictions are abhorrent. Often the evidence does not support a finding of guilt or innocence with sufficient clarity to allow a decision free of gnawing doubt. In many cases, a large part of the problem is that the prosecution's case depends critically on the statement or testimony of a young child. Even with respect to adult witnesses, the law of hearsay and confrontation is very perplexing, as anyone who has studied American evidentiary law and read Supreme Court opinions on ...


Proposed Amendments To Fed. R. Crim. P. 26: An Exchange: Remote Testimony, Richard D. Friedman Jan 2002

Proposed Amendments To Fed. R. Crim. P. 26: An Exchange: Remote Testimony, Richard D. Friedman

Articles

Recently, the Supreme Court declined to pass on to Congress a proposed change to Federal Rule of Criminal Procedure 26 submitted to it by the Judicial Conference. In this Article, Professor Friedman addresses this proposal, which would allow for more extensive use of remote, video-based testimony at criminal trials. He agrees with the majority of the Court that the proposal raised serious problems under the Confrontation Clause. He also argues that a revised proposal, in addition to better protecting the confrontation rights of defendants, should include more definite quality standards, abandon its reliance on the definition of unavailability found in ...


Dial-In Testimony, Richard D. Friedman, Bridget Mary Mccormack Jan 2002

Dial-In Testimony, Richard D. Friedman, Bridget Mary Mccormack

Articles

For several hundred years, one of the great glories of the common law system of criminal justice has been the requirement that prosecution witnesses give their testimony in the presence of the accused" face to face," in the time-honored phrase-under oath, subject to cross-examination, and, unless unfeasible, in open court. In the United States, this principle is enshrined in the Confrontation Clause of the Sixth Amendment, which provides that "[i]n all criminal prosecutions, the accused shall enjoy the right ... to be confronted with the witnesses against him." But now a new way is developing for witnesses for the prosecution ...