Sydney and Tony discuss the landmark case of Tarasoff v. Regents of the University of California. The California Supreme Court ruled that mental health professionals have a duty to protect potential victims when their patients pose a serious threat of violence. The case arose from the tragic murder of Tatiana Tarasoff, a former university counseling center patient killed. Despite warnings from one of the center's therapists that the patient posed a serious threat to Tarasoff, the center did not take action to warn or protect her. The court's decision established a legal precedent that has had far-reaching implications for the practice of mental health and the protection of public safety.