John Wilkes Booth was the son of prominent, wealthy actors. He, too, became an actor and was so popular, he was one of the first to have his clothes ripped off by fans. Hulton Archive/Getty hide caption
Psychology is the systematic investigation of the human mind, including behavior and cognition. It thus encompasses both normal and abnormal behavior. On the other hand, psychiatry is a branch of medicine dealing with mental illness.
This table provides an overview of the difference between forensic and clinical psychology. There are two primary areas of difference. In a forensic examination, it is the attorney/court/legal system who is considered the client of the psychologist. This is extremely important because it provides the framework for fair and unbiased evaluation.