Plaintiff tried to restrain a fleeing shoplifter after a store manager yelled “Stop thief”, and pointed in the plaintiff’s direction. The plaintiff suffered a dislocated shoulder while struggling with the shoplifter, who ultimately escaped. The shoplifter had attempted to steal from the store three days earlier. However, the store did not attempt to increase security measures between the two incidents. A lawsuit was filed against the store to recover plaintiff’s medical bills and lost earnings due to his injury. If a customer is hurt while trying to assist the employees of a store, should the store compensate him for his injuries? This case also illustrates what kind of knowledge charges a property owner with the responsibility to protect its invitees from criminal acts. The court also touches upon whether an invitee’s voluntary conduct can alter his or her invitee status, and thereby change the duty owed by the owner.