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William MacDonald, infamously known as "The Mutilator," was one of Australia’s most notorious serial killers. Between 1961 and 1962, MacDonald terrorized Sydney with a series of gruesome murders that shocked the nation for their sheer brutality. His crimes, involving mutilation and sexual violence, earned him a place in the dark annals of Australian criminal history.
Early Life of William MacDonald
William MacDonald was born Allan Ginsberg on June 17, 1924, in Liverpool, England. Growing up in a working-class family, Ginsberg endured a troubled childhood. He was sexually abused by a scoutmaster, an event that profoundly affected his mental health and sexuality. As a young adult, he served in the British Army during World War II but was discharged after suffering a mental breakdown.
Following the war, Ginsberg’s mental health issues continued. He moved to Canada in 1949 and later emigrated to Australia in 1955, adopting the alias William MacDonald. By the late 1950s, he was living in Sydney, where he worked as a laborer and began to develop his violent tendencies.
The Murders and Victims
Between June 1961 and June 1962, William MacDonald killed five men in a series of brutal attacks, earning the moniker "The Mutilator" for his gruesome post-mortem mutilations.
1. Amos Hurst (June 1961)
Amos Hurst, a 55-year-old man, was MacDonald’s first victim. The two met at a hotel in Brisbane, where they drank together. Later, in a drunken rage, MacDonald attacked Hurst, repeatedly stabbing him. Although Hurst survived the initial assault, he died from his injuries in the hospital. This murder was not immediately linked to MacDonald’s later crimes, but he would later confess to it.
2. Alfred Reginald Greenfield (June 4, 1961)
MacDonald’s second victim was Alfred Greenfield, a 41-year-old man whom MacDonald met in a park near Sydney’s Central Railway Station. After luring Greenfield to a secluded area, MacDonald stabbed him 30 times in a frenzied attack. He then mutilated Greenfield’s genitals, leaving his body to be discovered the next morning.
3. Ernest William Cobbin (November 20, 1961)
MacDonald met 54-year-old Ernest Cobbin at a hotel in Darlinghurst. After drinking together, MacDonald persuaded Cobbin to join him in a public bathroom in Moore Park. There, MacDonald stabbed him multiple times before mutilating his body. Cobbin’s disfigured corpse was found the next day, sparking widespread fear in the community.
4. Frank McLean (March 31, 1962)
Frank McLean, a 42-year-old transient, was MacDonald’s fourth victim. The two men met at a pub in East Sydney, where MacDonald offered McLean a place to stay. After luring him to his apartment, MacDonald stabbed McLean repeatedly before mutilating his body.
5. William Cobbin (June 1962)
MacDonald’s final victim was a 63-year-old man named William Cobbin (unrelated to Ernest Cobbin). He was lured into a public restroom in Burwood, where MacDonald attacked him with the same ferocity as his previous victims. His body, like the others, was mutilated and left to be found in a public space.
MacDonald’s Methods and Motives
William MacDonald’s crimes were characterized by extreme violence and mutilation. His preferred method was to lure victims, often vulnerable men or transients, into secluded areas by offering them drinks or companionship. Once alone, he would stab them repeatedly, targeting the chest and neck. Afterward, he mutilated the bodies, often cutting off their genitals.
MacDonald’s motives appear to have been a combination of repressed rage and sexual deviance. He later admitted to deriving a twisted sense of satisfaction from the killings and the mutilations, which he claimed were partly driven by hatred toward men stemming from his past trauma.
Capture and Trial
In June 1962, after the murder of William Cobbin, police launched a massive manhunt for "The Mutilator." Witnesses provided descriptions of a man seen with the victims before their deaths, leading investigators to MacDonald. However, he fled Sydney and traveled to Melbourne under a false name.
MacDonald’s eventual capture came about due to his own actions. In late 1963, he confided in a friend, revealing details of his crimes. The friend reported him to the police, and MacDonald was arrested in Melbourne.
During his trial in Sydney in 1964, MacDonald showed little remorse for his crimes. He was found guilty of five murders and sentenced to life imprisonment. The judge described him as "a menace to society" and declared that he should never be released.
Life in Prison and Death
William MacDonald spent the remainder of his life in prison, becoming one of Australia’s longest-serving inmates. In interviews and confessions, he displayed a disturbing lack of empathy for his victims and often spoke about his crimes in a matter-of-fact manner.
He died on May 12, 2015, at the age of 90, in Long Bay Correctional Centre in Sydney, having served over 50 years in prison.
Legacy and Reflection
William MacDonald’s crimes remain some of the most horrific in Australian history. His calculated methods, coupled with the savagery of his mutilations, shocked the nation and underscored the dangers of unchecked mental illness and unresolved trauma.
"The Mutilator" serves as a dark chapter in the history of Sydney, reminding society of the need for vigilance and the importance of understanding the roots of such extreme violence. Today, MacDonald is remembered as one of Australia’s most chilling serial killers, his name synonymous with brutality and horror.
Dive Deeper Into the Mind of a Serial Killer
1. Mindhunter: Inside the FBI's Elite Serial Crime Unit by John E. Douglas and Mark Olshaker
If you’ve ever wondered how law enforcement catches serial killers, this book is the perfect starting point. Written by John E. Douglas, one of the first criminal profilers, Mindhunter dives into the origins of behavioural analysis and its role in capturing some of the world’s most notorious killers.
2. The Anatomy of Evil by Dr. Michael H. Stone
Dr. Michael H. Stone takes readers deep into the psychology of evil in this compelling exploration of human depravity. Using his famous “scale of evil,” Dr. Stone categorises criminals based on their motives and the severity of their crimes, shedding light on what drives people like Gerald Thomas Archer to commit such heinous acts.
Both books offer gripping narratives and expert analyses, helping you better understand the terrifying world of serial killers and the investigators who stop them. By purchasing through the links above, you’ll also be supporting this blog at no extra cost.
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