By Pat A. Wertheim
This article originally appeared in Minutiae, the Lightning Powder Co. Newsletter, #44, Sep-Oct 1997
When offering testimony as an expert witness, regardless of the witness’ discipline, five distinct topic areas must be covered. These five areas are the witness’ qualifications, the science practiced by the witness, the introduction and chain of custody of the evidence, the analysis or examination process, and the expert’s opinion. By adequately covering each area in sequence, the witness will five the judge or jury all of the information necessary to understand the opinion presented.