The police force is not a monolithic entity; it is a collection of individual people. The actions of individual members are the actions of the force. Every officer, at least while on duty, represents the police force and acts on its behalf. Effectively, the police force raped her through the actions of one of its officers. That is why the force is liable. Further the force (it&#x27;s other members and superiors) had a duty to make certain someone like that was not on the force, and in failing to do that, they are liable.