Includes all type of perpetrators such as:
Outsiders: Someone who has no legitimate relationship with the victim or workplace and
usually enter the workplace to commit a robbery or other criminal act.
Customer: Someone who is a recipient of a service provided by the affected workplace
Employee: Someone who has an employment-related relationship with the workplace victim.
You may have current or former employees in this situation.
Employee-related outsider: Someone who is possibly a current or former spouse/lover,
a relative, acquaintance or some other person who has a dispute involving an employee of the workplace.