Final answer:
Workplace mass murderers are disgruntled employees who believe they have been treated wrongly and resort to killing their co-workers. Warning signs include intimidating behavior, threats, and radical changes in behavior. Employees should report any feelings of intimidation or unsafety to their supervisor.
Step-by-step explanation:
Workplace mass murderers are disgruntled employees who kill co-workers who they believe have treated them wrongly. These individuals are usually characterized by a history of aggression, feelings of unfair treatment, and a sense of being disrespected. They often display warning signs such as intimidating behavior, threats, and radical changes in behavior. It is important for employees to report any feelings of intimidation or unsafety to their immediate supervisor.