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December 1, 2017

Federal Rules of Evidence 902(13) and 902(14), which became effective on December 1, 2017, provide for the self-authentication of electronic evidence. Under these rules, electronic evidence can be authenticated by certification instead of by testimony. Rule 902(13) applies to electronic evidence such as computer files, social media posts, and smart device data. Rule 902(14) applies to electronic copies.

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May 1, 2014
T. Markus Funk

The investigation of transnational conduct often involves gathering evidence located in foreign countries. There are two primary means of obtaining evidence for use in a transnational proceeding: a Mutual Legal Assistance Treaty (MLAT) and a letter rogatory. This guide provides an overview of the statutory schemes and procedural matters that distinguish MLATs and letters rogatory, and it discusses legal issues that arise when the prosecution, the defense, or a civil litigant seeks to obtain evidence from abroad as part of a criminal or civil proceeding.

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March 2, 2012
Tim Reagan, Margaret S. Williams

This report was prepared for the Advisory Committee on the Federal Rules of Evidence. Under the current version of Fed. R. Evid. 801(d)(1)(B), prior consistent statements are admissible for their substance as well as for their rehabilitation only if they rebut recent fabrication because they occurred before the fabrication motive. If a prior consistent statement is admissible for credibility but not admissible for substance, the opposing party is entitled to a jury instruction.

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February 1, 2011
Laural L. Hooper, David E. Rauma, Marie Leary, Shelia Thorpe

The Center prepared this report at the request of the Advisory Committee on Criminal Rules as it considers whether to amend Rule 16 to incorporate the government's constitutional obligation to provide exculpatory and impeachment evidence to the defense or, instead, to create a broader disclosure obligation. The Center conducted a national survey, which included an online survey of all federal district and magistrate judges, U.S. Attorneys' Offices, federal defenders, and a sample of defense attorneys in criminal cases that terminated during calendar year 2009.

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January 1, 2011
David A. Freedman, David H. Kaye

The Reference Manual on Scientific Evidence, Third Edition assists judges in managing cases involving complex scientific and technical evidence by describing the basic tenets of key scientific fields from which legal evidence is typically derived and by providing examples of cases in which that evidence has been used.

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January 1, 2011
Margaret A. Berger

In 1993, the Supreme Court’s opinion in Daubert v. Merrell Dow Pharmaceuticals ushered in a new era with regard to the admissibility of expert testimony. As expert testimony has become increasingly essential in a wide variety of litigated cases, the Daubert opinion has had an enormous impact. If plaintiffs’ expert proof is excluded on a crucial issue, plaintiffs cannot win and usually cannot even get their case to a jury. This discussion begins with a brief overview of the Supreme Court’s three opinions on expert testimony—often called the Daubert trilogy—and their impact.

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January 1, 2011

The Reference Manual on Scientific Evidence, Third Edition assists judges in managing cases involving complex scientific and technical evidence by describing the basic tenets of key scientific fields from which legal evidence is typically derived and by providing examples of cases in which that evidence has been used.

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January 1, 2011
Anthony D. Wagner

The Reference Manual on Scientific Evidence, Third Edition assists judges in managing cases involving complex scientific and technical evidence by describing the basic tenets of key scientific fields from which legal evidence is typically derived and by providing examples of cases in which that evidence has been used.

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January 1, 2011
Joseph V. Rodricks

The Reference Manual on Scientific Evidence, Third Edition assists judges in managing cases involving complex scientific and technical evidence by describing the basic tenets of key scientific fields from which legal evidence is typically derived and by providing examples of cases in which that evidence has been used.

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