The Heir and the Wrestler

A very rich man owned a large estate with a wrestling training centre. A wrestler and coach who worked there lived on the estate. The rich man had grown paranoid. He believed people were spying on him and had turned against the coach. One winter day he drove to the coach's house and shot him three times with a revolver. His lawyers said he was insane: he believed he was Jesus Christ, the Dalai Lama and a Russian tsar. The law asks whether his illness stopped him knowing the act was wrong.