Evidence Commons^™

Evidence-Based Hearsay, Justin Sevier -- Professor Of Litigation

Vanderbilt Law Review

The hearsay rule initially appears straightforward and sensible. It forbids witnesses from repeating secondhand, untested gossip in court, and who among us prefers to resolve legal disputes through untested gossip? Nonetheless, the rule's unpopularity in the legal profession is well-known and far-reaching. It is almost cliche to say that the rule confounds law students, confuses practicing attorneys, and vexes trial judges, who routinely make incorrect calls at trial with respect to hearsay admissibility. The rule fares no better in the halls of legal academia. Although defenses exist, scholars have unleashed a parade of pejoratives at the rule over the years, …

The Perils Of Evidentiary Manipulation, Edward K. Cheng

Vanderbilt Law School Faculty Publications

The use of evidentiary rules to achieve substantive goals strikes me as a Faustian bargain, and, given Bierschbach and Stein's acknowledgedly tentative position, I hope to dissuade them of the virtues of the practice. My goal therefore is to explore briefly the potential dark side of specialized evidentiary rules. The concerns of injecting substantive goals into evidence law extend far beyond the narrow legitimacy concerns Bierschbach and Stein raise. It is not simply the question of whether we aspire to a pluralistic or majority-take-all democratic society. Rather, evidentiary manipulation threatens the legitimacy of criminal and evidence law... Bierschbach and Stein's …

Warping The Rules: How Some Courts Misapply Generic Evidentiary Rules To Exclude Polygraph Evidence, John C. Bush

Vanderbilt Law Review

Polygraph tests rely on the hypothesis that a subject's body yields physiologically different symptoms if he or she is lying.' When a polygraph test is administered, a mechanical apparatus records the subject's physiological changes, and the polygrapher conducting the examination interprets the data. The techniques for measuring physiological changes vary in their foci, which may include respiration, blood pressure, cardiovascular function, and skin resistance. The polygraph apparatus records changes to one or more of these foci, and a technician, or polygrapher, then analyzes the results to conclude whether the subject has been truthful.

Polygraph results factor into choices ranging from …