WILLIAM MacDonald, known as The Mutilator and NSW’s oldest and longest-serving prisoner, has died in Sydney’s Prince of Wales Hospital. MacDonald, who would have been 91 next month, terrorised Sydney in the early 1960s, killing four men in city parks and one earlier in Brisbane by luring them into dark places and then mutilating their genitalia. Many believe he was Australia’s first high-profile serial killer. His victims, mostly derelicts, were stabbed dozens of times with a long-bladed knife before MacDonald would cut off their penis and testicles. Between 1961 and 1962, MacDonald was responsible for a series of grisly murders...