Evidentiary Tactics: Selecting the “Best” Evidence to Simplify the Case
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Digital Commons at St. Mary's University Faculty Articles School of Law Faculty Scholarship 2004 Evidentiary Tactics: Selecting the “Best” Evidence to Simplify the Case Edward J. Imwinkelried St. Mary's University School of Law David A. Schlueter [email protected] Follow this and additional works at: https://commons.stmarytx.edu/facarticles Part of the Law Commons Recommended Citation Edward J. Imwinkelried & David A. Schlueter, Evidentiary Tactics: Selecting the “Best” Evidence to Simplify the Case, 19 Crim. Just. 20 (2004). This Article is brought to you for free and open access by the School of Law Faculty Scholarship at Digital Commons at St. Mary's University. It has been accepted for inclusion in Faculty Articles by an authorized administrator of Digital Commons at St. Mary's University. For more information, please contact [email protected]. Sulinthe'B " E celto lt the Case and David A. Schlueter by Edward J. Imwinkelried / IV r tf, 'A theory. Of course, counsel should not forget about, or dispose discovery in United States v.IBM, 406 F Supp. 175 of, the information pertinent to other theories. The trial may (S.D.N.Y.he numbers 1975), tell the the story. parties In producedthe first five over years 64 millionof pretrial take unexpected turns, and counsel needs to flexibly adapt to pages of documents. During the discovery phase of another the actual developments at trial. Evidence that was not used for federal suit, Washington Public Power Supply Systenm Securities the case-in-chief may become handy rebuttal evidence. Litigation, 19 F.3d 1291 (9th Cir. 1994), the parties exchanged Even implementing that strategy, however, is not enough. more than 200 million pages of documents. In these types of In a complicated case, there might be scores of witnesses and cases, it is not good trial advocacy to simply introduce at trial thousands of documents with information relevant to the theo- all the information compiled during pretrial discovery. Even if ry. Frorn a tactical viewpoint, counsel must be discriminating. the jury consists of 12 Einsteins, the jurors cannot digest that If the advocate has done a good job selecting a theory, many of much information. its elements will be formally or virtually undisputed, and coun- In the early 1990s, the American Bar Association Special sel should avoid boring the jury by overkill. Although ideally Committee on Jury Comprehension released the results of sur- counsel ought to offer a single item of evidence to prove up veys of jurors who had participated in complex federal and those elements, as a practical matter, it may be necessary to of- state cases. (Spec. Comm. on Jury Comprehension, ABA Liti- fer some cumulative testimony. If, for example, counsel calls a gation Section, JURY COMPREHENSION IN COMPLEX CASES witness to establish one element, it might become clear to the 27-28, 31 (1990).) The researchers asked the jurors what com- jury during the course of the testimony that the witness also plaints they had against the attorneys who had tried the cases. has personal knowledge of facts pertinent to another element. By a wide margin, the primary complaint was that the litigators In that event, if counsel does not elicit the witness's testimony went overboard and swamped the jury with information, partic- about the latter element, the jury may become suspicious. For ularly an excessive number of exhibits. Inthe infamous Mc- that matter, the opposing attorney may invite the jury to draw Martin child abuse prosecution in California, prosecutors called an adverse inference. 124 witnesses and introduced 974 exhibits, requiring more than Moreover, counsel will want to include some corroboration 33 months of trial and consuming nearly 64,000 pages of tran- in the case-in-chief on the linchpin element of counsel's theory. script. (Don L. Benedictis, McMartin Preschool Lessons: Even on that element, however, counsel should not offer every Abuse Case P/agued by Botched hvestigation, Too Many available item of evidence. To achieve simplicity at trial, coun- Counts, 76 A.B.A. J. 28 (Apr. 1990).) sel must select the "best" items of evidence. Even if, for some reason, counsel decides to be less drastic Keep it simple in paring down the case, counsel should be ready to prioritize At trial, the attorney must exorcise the demons of complexi- the evidence. The judge, either pretrial or during trial, may de- ty and confusion. "[T]he key to winning is being able to simpli- cide to "move the case along" and demand that counsel limit fy in a clear and powerful way. It's the single most important the number of witnesses or exhibits. Counsel must be prepared thing to accomplish at trial." (Harry M. Reasoner, Juries Need for the unexpected, even to the point of jettisoning evidence originally Guidance Without Condescension, NAT' I L.J., Feb. 3, 1992, at slated for presentation. On short notice, counsel may S8.) How can the attorney reduce his or her case to manageable have to decide which evidence is expendable and which is the proportions that the jury can easily digest? There are strategies best that must be retained in the case-in-chief. as well as tactics that should be employed. But what does the "best" mean in this context? Some attor- As a matter of strategy, the attorney can radically trim the neys resolve that question and choose their items of evidence in size of his or her case by relying on a single theory of the case an intuitive, almost haphazard, maunner. There are some empiri- at trial. The theory becomes the litmus test for deciding whether cal investigations of the relative weight that jurors attach to vari- to include an item of evidence in your case-ill-chief. The test for ous types of evidence. This article proposes several generaliza- admissibility under Federal Rule of Evidence 401 is logical rel- tions as to which types of evidence the litigator should ordinarily evance to the facts of the consequence at trial, primarily the prefer and include in the case-in-chief. We realize full well that facts alleged in the final pleadings. If counsel uses Rule 401 as the reader will probably disagree with some of these generaliza- the litmus test, as in McMartin, the case could drag on for tions. Yet, we offer them in the hope that this article will prompt months. With the client's consent, counsel should focus on the more litigators to familiarize themselves with the empirical liter- strongest theory and have the discipline (and confidence) to of- ature, devote additional time to thinking about this question, and fer only evidence that contributes to the development of that make more deliberate selections of the trial evidence to proffer. Order of preference among types Edward J. Imwinkelried is a law projessor at the University of of evidence Cal/fbrnia-Davis.David A. Schlueter isa law professor at St. In deciding what evidence to pare from the case, counsel Mary's Universi o , School of Law in San Antonio, Tevas. He is also should address the following question: Which types of evidence a mnember of the editorial board/br Criminal Justice magazine. are most likely to cany significant weight with the trier-of-fact? Photography: PhotoDisc There is no a priori answer. Although the Cuestionl is essentially the shorthand expression "verifiable certainty" to describe the empirical, there have been only a IFew empirical studies, some standard for noticing scientific propositions, the governing of which we cite here. We also draw on our limited experience statutes. such as Federal Rule 201(b), do not incorporate the as litigators and our years as teachers of trial and evidence tac- ter1 "'certainty." Rather they typically announce a more re- tics. We do not pretend that all attorneys and judges agre with laxed standard: A proposition that is "capable of accurate and our order of preference. A proponent of evidence. however. ready cletermination by resort to sources whose accuracy can- cannot intelligently tackle the initial tactical qluestion unless he not reasonably be qLuestioned" may be judicially noticed. In or she makes some assuniptions about the relative weighl of' Daubert. the U.S. Supreme CourI observed that "argLuably, various types of evidence. there are no certainties" even in hard science. (Daubert v. Me'- Our assumption is that ill desceiding order, the lollowing cll Dow Pharmaceuticals, lc.. 509 U.S. 579 590 (1993).) types of "evidence" are Most influiential With a jury: The Court acknowledged the realistic limits to scientific investi- gation. That acknowledgment should make trial judges even * judicial notice by the trial judge (Fed. R.Evid. 201): more receptive to judicial notice requests. " admission by the party-opponent. either in the lorm of a Furthermore. the jury tends to attach great weight to the trial stipulation or in the form of an evidentiary admission (Fed. R. judge's statements. Jurors are inclined to discount statements Evid. 401, 801 ); by the "hired gun" attorneys. (Mark Dombroff. Jurl hsruc- " physical evidence (Fed. R. Evid. 901 -2. 1001-08): lionsCar Be Crucial iniTrial Process, LEGAt TINES, Feb. 25, " live testimony by a lay witness (Fed. R. Evid. 6(01-2. 1985, at 26.) Ii contrast. jurors "typically listen more closely 701): and weigh more heavily almost everything said to them by the - live testimony by an expert witness (Fed. R. Evid. judge." Both the coLirts and psychological researchers concur 702-6); that jurors are likely to assign special weight to ajudge's ini- * documental , hearsay (Fed. R. Evid. 803-4, 901 -2. structiori becaLse juLrors view the judge as an impartial authority 1001-08): and figure. (United Stwe.s i Hickman. 592 F2d 931 (6th Cir.