- 9 - v. Commissioner, T.C. Memo. 1989-630. In Diego Investors IV, the Court refused to allow an expert selected and paid for by the Commissioner to testify as the taxpayers' witness. The taxpayers in Diego Investors IV sought to call the Commissioner's expert to enhance their tactical position by using selected portions of a report pertaining to sales data while refuting the remainder of the expert's unfavorable conclusions. Although Diego Investors IV is distinguishable from the instant case in numerous ways, one critical distinction is that in the instant case, respondent has gained no tactical advantage by adopting some of the information in the estate's expert's reports. In the instant case, the estate provided the Holden I, II, and Cardenas reports to respondent as evidence of the values of MVN and MVS, as well as to provide the facts and data underlying those values. The estate now seeks to exclude those reports because they believe that if they are successful, we shall conclude that Mr. Marx's reports are invalid based on the language in Mr. Marx's disclaimer. However, it appears that the estate failed to appreciate that the use of expert testimony is within the sound discretion of the trial judge. The test for admissibility of expert testimony is whether the testimony will aid the trier of fact to understand the evidence. See Fed. R. Evid. 702; United States v. Amaral, 488 F.2d 1148, 1152 (9th Cir.Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next
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