This document provides an introduction to managing anger, aggression, and violence. It defines aggression as intimidating or threatening behaviors, while violence refers to abuse, threats, or assaults relating to work. It outlines legal principles for using physical force, including it being a last resort after other communication fails. Six common law rights are described, such as self-defense. Six reasonable factors for using force are listed, like the perceived threat and weapon use. The document poses questions to assess risk from tasks, people, places, and time at work that could lead to aggression.