There are those law enforcement officers who lack the ability to draw and are expected to produce pictures or illustrations of crime scenes, traffic accidents, and sometimes organizational charts. For those with a drawing impairment, there is the availability of diagramming software. This article describes various diagramming software packages or Computer-Aided Design. This diagramming software packages include: (1) SmartDraw--a generic drawing package; (2) Crime Zone/Crash Zone--a crime scene and accident diagramming package written as a duel package; (3) 3DEyewitness--producing three-dimensional diagrams without having to individually dimension every object; (4) ScenePD--designed as a police-specific diagramming package providing crime scenes, accident scenes, and injury diagrams; and (5) Microsoft Visio--a standard diagramming package in the business world and an auxiliary of the widely-used Microsoft Office suite of products.