This document discusses investigative questioning techniques for business analysts. It outlines the key questions to ask (who, what, when, where, why, how) and provides examples of each. A four-step process is described for business analysts to follow: 1) receive the project plan, 2) evaluate the plan, 3) develop requirements through investigative questioning, and 4) gather all necessary information. The roles of the business analyst and project manager are discussed, with tips provided on when and how the business analyst should engage the project manager to obtain additional details through questioning.