Nine Elms Man Drugged and Sexually Assaulted Two Men
Luiz Da Silvaneto described as a very dangerous predator
Luiz Da Silvaneto chose heterosexual men as his victims. Picture: Thames Valley Police
A 36-year-old man from Nine Elms have been convicted of drugging and sexually assaulting two men in Oxfordshire.
His victim’s were heterosexual men who he targeted in the belief that they would not report him to the police.
After a trial at Oxford Crown Court, Luiz Inacio Da Silvaneto of Riverlight Quay, was found guilty by a majority jury of a number of offences including rape and possession of Class A drugs. He was found not guilty of kidnap.
He met his first victim at a property in Middle Barton on 10 November 2021. After they had drank some alcohol together, the man said that he started to feel very tired and he lost consciousness. Later he awoke to find Da Silvaneto sexually assaulting him but he couldn’t move his limbs due the effects of drugs that Da Silvaneto had given him.
A month later, Da Silvaneto targeted his second victim, another man. Who was enjoying a night out at a bar in Chelsea. Upon leaving the bar, the victim tried to organise a taxi, when he encountered Da Silvaneto who was driving a vehicle in the area. The victim cannot remember any further details about the rest of the evening, other than being forced to consume a short drink.
He woke up the next day he was in an unknown property, which Thames Valley Police later established was the same property in Middle Barton in which the first victim was sexually assaulted. This victim had been drugged and raped by Da Silvaneto.
During the trial, the prosecution presented evidence that Da Silvaneto had spent the earlier part of the evening when he assaulted his first victim, approaching males in public toilets and attempting to engage with them.
The prosecution also presented evidence of Da Silvaneto’s possession, use and knowledge of the effects of Gamma-hydroxybutyric acid (GHB) and Gamma-butyrolactone (GBL), substances, which in appropriate dosages can anesthetise, incapacitate or effect the consumer’s ability to recall events without necessarily immobilising them completely.
Investigating officer, Detective Inspector James Holden-White said: “Luiz Inacio Da Silvaneto is a sexual predator and a very dangerous man.
“Da Silvaneto used what presents as a well-practiced modus operandi; targeting men, administering a substance to incapacitate and overpower his chosen victim, and then engaging in sexual activity with them, knowing they are not in a position to consent.
“GHB, derivatives and closely related compounds, known as GHBRS, are extremely dangerous as there are very fine margins between what might be considered a recreational dose, a dose which could incapacitate and a fatal dose.
“GHBRS can present as a colourless and odourless liquid which is difficult to identify, and even small quantities, capable of incapacitating a person, can be easily hidden in a conventional drink.
“The human body breaks down and excretes GHBRS very rapidly and small quantities of GHB naturally present in the body anyway, so it can be difficult for law enforcement agencies and health services to prove an excessive dose has been consumed.
“Due to the health risks identified through the use of GHBRS and its use for criminal purposes, GHBRS were reclassified as Class B controlled Drugs from the 13 April 2022 by the Misuse of Drugs Act.
“Da Silvaneto deliberately targeted heterosexual men whom he believed would be especially unlikely to report the offences to police, but he was wrong.
“I would like to praise the victims for their bravery throughout the ordeal they have suffered and thank them for overcoming the anguish and embarrassment they have been caused to take an extremely dangerous man off the streets and protect others from the risk he presents. Society is certainly a much safer place with Da Silvaneto behind bars.
“We are keeping an open mind as to the possibility that Da Silvaneto has committed other offences.
“Therefore, if you have any information please contact the police or one of our partners using the reference ‘Op Jion’.
“We have dedicated officers who are specialised in investigating sexual offences.”
You can call police on 101, report anonymously via the independent charity Crimestoppers, or make a third party report via Galop or Survivors UK.
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July 5, 2022