The Age | Prosecutors set to tell court Cy Walsh was 'mentally incompetent' The Age Prosecutors will concede Cy Walsh was mentally incompetent when he allegedly killed his father, former Adelaide Crows coach Phil Walsh. The 27-year-old has pleaded not guilty to the stabbing murder of his father at the family home in Adelaide on July 3 ... Phil Walsh's son 'was mentally ill' Prosecutors to tell court Cy Walsh was 'mentally incompetent' |