The U.S. Supreme Court has recognized that cross-examination is "the greatest legal engine ever invented for the discovery of truth." See California v. Green, 399 U.S. 149, 158 (1970). An effective cross-examination is no simple feat, even for the experienced litigator. Preparation is paramount and, when coupled with a deep knowledge of the applicable evidentiary rules, success will come. This article provides a treetop overview of the art of cross-examination for both the young attorney and experienced litigator to keep at the forefront of their mind during cross examination.