Sex offender Luis da Silva Neto may have more victims and police are scared (Image: PA)

A “brave” sex offender has been found guilty of addicting two men to “aphrodisiac” drugs and making them vomit. The number of victims has not yet increased.

Louise da Silva Neto, 35, raped a man and sexually assaulted another at a country house in Middle Barton, Oxfordshire, after meeting at a Raffles nightclub in central London.

Both victims woke up naked and unaware of what had happened during separate attacks last November and December.

Police said da Silva targets straight men online. Because they believed it was unlikely that they would report it.

He added an unknown substance to the drink that appears to be the date rape drug GHB or GBL. This had the effect of “euphoria and hallucinogens”.

The first victim said that she was fully clothed and fell asleep, but was found naked, feeling “paralyzed”.

He felt “split in two” the next morning and, after looking at an empty syringe, said, “I was convinced I had the medicine.”

He states: “This is the worst experience I have ever had. I’m straight, Catholic and… that’s what I need to digest.

Oxford Criminal Court and Justice House.

Da Silva Neto was sentenced at Oxford Crown Court (Image: Getty Images/iStockphoto)

And he described Da Silva Neto as a “danger to society” in prison.

After the second test, she felt “confused, depressed, upset.”

He was reported missing and was unable to track the time “from when he left the bar to when he woke up in bed”.

Da Silva Neto argued that the sexual contact with men was consensual and denied that all of them had taken the drug.

A jury trial at Oxford Crown Court found him guilty of rape. Two counts of intentional substance use and two counts of engaging in sexual activity without consent.

He will be sentenced in court next Thursday.

Thames Valley Police are currently urging anyone who thinks they may have been attacked to involve Sylvanet or another criminal.

Inspector Morse James Holden White said: What to do

Da Silva Neto’s crimes have drawn comparisons to those committed by Britain’s most prolific thug, Reinhard Sinaga (Image: PA)

“If you think you are a victim of Luis da Silva Neto, or if you think you are a victim of similar abuse by someone else, go ahead. We will listen to you,” he said.

According to police, da Silva Neto’s crime is similar to the crime committed by Reinhard Sinaga, Britain’s most prolific rape criminal jailed in 2020.

Inspector Holden-White emphasized that these crimes are rare and rare.

However, he urged people in nightclubs and bars to remain vigilant, stay close to friends and use night services such as social workers and police when in danger.


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