D.C. v. Hasratian

A master is under a duty to exercise reasonable care so to control his servant while acting outside the scope of his employment as to prevent him from intentionally harming others or from so conducting himself as to create an unreasonable risk of bodily harm to them, if(a) the servant(i) is upon the premises in possession of the master or upon which the servant is privileged to enter only as his servant, or(ii) is using a chattel of the master, and(b) the master(i) knows or has reason to know that he has the ability to control his servant, and *1141(ii) knows or should know of the necessity and…