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Who is Dennis Nilsen: Bio, Wiki, Age, Career, Death,(serial killer who boiled his victim’s body parts)

notorious serial killer Dennis Nilsen died in 'excruciating pain'

Dennis Nilsen bio, wiki, age, career, death

Dennis was born on 23 November 1945 and died on 12 May 2018, he was a Scottish serial killer and necrophile who murdered at least twelve young men and boys between 1978 and 1983 in London, England. Convicted at the Old Bailey of six counts of murder and two of attempted murder, Nilsen was sentenced to life imprisonment on 4 November 1983, with a recommendation that he serve a minimum of 25 years. In his later years, he was incarcerated at Full Sutton maximum security prison.

All of Nilsen’s murders were committed in the two North London addresses in which he resided between 1978 and 1983. His victims would be lured to these addresses through guile and killed by strangulation, sometimes accompanied by drowning. Following each murder, Nilsen would observe a ritual in which he bathed and dressed the victim’s body, which he retained for extended periods of time, before dissecting and disposing of the remains by burning on a bonfire or flushing down a lavatory.

Nilsen became known as the Muswell Hill Murderer, as he committed his later murders in the Muswell Hill district of North London. He died in prison on 12 May 2018.

Dennis Nilsen age

He died at the age of 73 years old.


On 10 May 2018, Nilsen was taken from Full Sutton prison to York Hospital after complaining of severe stomach pains. He was found to have a ruptured abdominal aortic aneurysm which was repaired, although he subsequently suffered a blood clot as a complication of the surgery. Nilsen died on 12 May. A subsequent post-mortem examination revealed that the immediate cause of Nilsen’s death was pulmonary embolism and retroperitoneal haemorrhage.

Hull Coroner’s Court heard how he suffered a ruptured abdominal aortic aneurysm and, as a result, died while laying in his own faeces as he deteriorated over the course of ‘two-and-a-half hours’.His medical cause of death was given as a pulmonary embolism and retroperitoneal haemorrhage. Recording his verdict, coroner Professor Paul Marks said: “Dennis Andrew Nilsen died of natural causes.”

Even though the procedure was successful, he died on May 12 after the blood loss and stress of the surgery.

Despite being left to die in his own filth after refusing the chance to be seen for longer in the hospital wing, the report from the Prisons and Probation Ombudsman said the treatment Nilsen initially received in prison was ‘commensurate with that which he would have received in the community’.

The murders and attempted murders

Murder 1: Nilsen’s first murder took place on December 30, 1978. Nilsen claimed to have met his first victim in a gay bar. Nilsen strangled him with a necktie until he was unconscious and then drowned him in a bucket of water. On January 12, 2006, it was announced that the victim had been identified as Stephen Dean Holmes, who was born on March 22, 1964 and was therefore only 14 at the time; Holmes had been on his way home from a pop concert.

Between the first and second murders, Nilsen attempted to murder a student from Hong Kong he had met in the West End. Although questioned by police, the student decided not to prosecute, and Nilsen was released without charge.

Murder 2: The second victim (on December 3, 1979) was Canadian student Kenneth Ockendon. During their sexual intercourse, Nilsen strangled him. Ockendon was one of the few murder victims who was reported as a missing person.

Murder 3Martyn Duffey was a sixteen-year-old homeless boy from Birkenhead. In May 1980, he accepted Nilsen’s invitation to come over to his place. He was strangled and subsequently drowned in the kitchen sink.

Murder 4Billy Sutherland was a male prostitute from Scotland. Nilsen could not remember how he murdered Sutherland; however, it was later revealed that the victim had been strangled by someone using their bare hands.

Murder 5: The fifth victim was another male prostitute; however, this one was never identified. All that is known is that he was probably from the Philippines or Thailand.

Murder 6: Nilsen could recall very little about this and the following two victims. All that he could remember about number 6 was that he was a young Irish labourer that he had met in a bar.

Murder 7: The seventh victim was what Nilsen described as a starving “hippy-type” he had found sleeping in a doorway in Charing Cross.

Murder 8: Nilsen could recall nothing at all about his eighth victim.

Murder 9 and Murder 10: Both were young Scottish men, picked up in pubs in Sotho.

Murder 11: The eleventh victim was a skinhead Nilsen picked up at Piccadilly Circus who had a tattoo around his neck saying “cut here”. He had boasted to Nilsen how tough he was and how he liked to fight; however, once he was drunk, he proved no match for Nilsen, who hung his naked torso in his bedroom for 24 hours before he was buried under the floorboards.

At some point between murders 6 and 11, on November 10, 1980, a potential victim of Nilsen’s woke up while being strangled and was able to fend off his attacker. Although he called the police almost immediately after the attack, no action was taken by the officers who, it is reported, considered the incident to be a domestic disagreement between two homosexual lovers.

Murder 12: The twelfth victim (and the last before Nilsen moved home) was a man called Malcolm Barlow. He was murdered on September 18, 1981. Nilsen found him in a doorway not far from his own home, and took him in and called an ambulance for him. When Barlow was released the next day, he returned to Nilsen’s home to thank him and was pleased to be invited in for a meal and a few drinks. He was murdered later that night.

After moving to a new house in Muswell Hill in October 1981, Nilsen met a student in a bar in Soho and invited him back to his new home. The student awoke the next morning with little recollection of the previous evening’s events, and later went to see his doctor because of some bruising that had appeared on his neck. The doctor revealed that it appeared as if the student had been strangled and advised him to go to the police. However, afraid of his sexual orientation being disclosed, the student decided not to.

Following this attempted murder, Nilsen met a drag queen in a pub in Camden. After passing out from strangulation, he came to while Nilsen was trying to drown him in a bath of cold water and managed to fight off his attacker.

Murder 13John Howlett was the first to be murdered in Nilsen’s Muswell Hill home, in December 1981. Howlett was one of the few who was able to fight back; however, Nilsen had taken a disliking to him and was determined that he should die. There was a tremendous struggle, in which at one point Howlett even tried to strangle Nilsen back. Howlett was eventually drowned, however, after having his head held under water for five minutes. Howlett’s was the first body to be dismembered, and the various body parts were either hidden around the house or flushed down the toilet.

Murder 14Graham Allen was another homeless man who met Nilsen in Shaftesbury Avenue. After murdering him, Nilsen left Allen’s body in the bath, unsure how to dispose of it. After three days, he was dismembered like Nilsen’s previous victim.

Murder 15: Nilsen’s final victim was a drug addict called Stephen Sinclair. They met in Oxford Street and Sinclair managed to scrounge a hamburger off Nilsen, who then suggested that they go back to his place. After dropping into an alcohol and heroin fuelled stupor, Sinclair was strangled and his body dismembered. It was Sinclair’s dismembered remains in the drain outside Nilsen’s home that first alerted the police to Nilsen’s murders.


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