Rotten Mango
Rotten Mango
January 18, 2026

Man With EXTREME Fetish Killed Mid Climax In ‘Viral’ Video - The Vietnamese Butcher Case

Quick Read

An extreme fetish leads to a man's brutal murder, captured in a viral video trilogy, and solved by internet sleuths who uncover a government official as the perpetrator.
A three-part video series documenting a man's murder and dismemberment went viral, revealing his extreme fetish.
Internet sleuths, not police, identified the victim (Wen Dat) and the killer (Dwan Sang), a former government official.
The murder was planned during a national holiday and occurred in government buildings, raising questions about official oversight.

Summary

This episode details the disturbing case of the 'Vietnamese Butcher,' where a man with an extreme beheading and cannibalism fetish, identified as Wen Dat, was murdered and dismembered on camera. The crime was documented in a three-part video series (Rehearsal, Execution, Butchering) that circulated on underground Telegram groups and public gore websites. Internet detectives, particularly the OSINT group in Vietnam, meticulously analyzed the footage and online activity to identify the victim and, eventually, the killer. They uncovered Wen Dat's extensive online history of seeking someone to fulfill his 'final fantasy' of being killed and eaten. The investigation led to the identification of the butcher, Dwan Sang, a middle-aged former government official, who had used his son's online profiles to engage in these dark communities. The murder was strategically timed during the Lunar New Year holiday, and the acts were committed within government buildings. Dwan Sang was arrested after the online investigation garnered significant public attention, confessing to the crime but attempting to blame the victim.
This case highlights the dark corners of the internet where extreme fetishes and illegal activities thrive, often in plain sight on public forums. It demonstrates the profound impact and investigative power of online communities (OSINT) in solving crimes when official channels are slow or absent. The case also raises complex ethical and legal questions about consent, victimless crimes, and the boundaries of human desire, particularly when involving self-harm or cannibalism, and exposes the unsettling reality of individuals in positions of power engaging in such depraved acts.

Takeaways

  • The 'People You May Know' feature on Facebook has allegedly exposed sensitive connections, such as therapist-patient relationships and anonymous addiction group members, suggesting location tracking.
  • Gore videos depicting intentional homicide are generally illegal, but those showing acts by terrorist organizations or cartels are often protected as political speech or news.
  • Online communities exist for extreme fetishes, including cannibalism and beheading, with members seeking to be victims or perpetrators.
  • The victim, Wen Dat, had an extensive online history (dating back to 2019) of expressing a desire to be beheaded and eaten.
  • The killer, Dwan Sang, a former deputy head of a market management department, used his son's online identity to engage in these communities.
  • The murder was filmed in a three-part series ('Rehearsal,' 'Execution,' 'Butchering') and distributed on Telegram and public gore websites.
  • Clues like a specific water bottle and dish soap helped internet investigators pinpoint the crime's location to northern Vietnam.
  • The murder was timed during the Lunar New Year holiday, when government offices (where the crime took place) would be deserted.
  • Dwan Sang confessed to the murder after his arrest, claiming Wen Dat convinced him to commit the acts.

Insights

1Facebook's 'People You May Know' Algorithm Raises Privacy Concerns

The host details alleged incidents where Facebook's 'People You May Know' feature suggested patients to each other from the same psychiatrist, or members of anonymous addiction groups, despite no shared contacts. This suggests Meta might be tracking user locations, inferring connections from repeated co-location, a claim Meta denies.

Alleged incidents of psychiatrists' patients and anonymous addiction group members being suggested to each other on Facebook.

2Legality of Gore Videos and Online Content Moderation

The discussion highlights a legal gray area: videos of intentional homicide (like a personal decapitation) are typically illegal, but footage of cartel violence or terrorist attacks often falls under 'protected speech' due to perceived political or news value, making moderation inconsistent.

The banning of the r/watchpeopledie subreddit in 2019, with arguments that it saved lives by showing real violence or was less harmful than hate-radicalizing subreddits, contrasted with the continued existence of other extreme content.

3Escalation of Gore Consumption and Underground Communities

The episode outlines a spectrum of gore consumption, from 'casual' (accidental viewing) to 'seasoned' (actively seeking it), culminating in individuals who 'need' gore, are willing to pay, and push legal boundaries. This leads to the formation of specialized Telegram groups like 'Ice Love' (body detachments, necrophilia) and 'Forensics' (mortuary footage), where snuff films are bought and sold.

Description of Telegram groups offering 'premium access' for 4-5 years, 'Ice Love' for body detachments, and 'Forensics' for 'pure clean bodies' (mortuary footage), with the Vietnamese butcher videos circulating there for $100-$600.

4Victim's Extensive Online History of Beheading Fetish

The victim, Wen Dat, had a long-standing and intense fetish for being beheaded, actively seeking out and discussing this 'final fantasy' on various online forums since at least 2019. He requested a Japanese manga about consensual murder to be translated into Vietnamese and posted messages offering his head to anyone willing to 'take it.'

Wen Dat's accounts with variations of 'dat and beheading,' his Motherless account sharing cannibalism/beheading content, and posts like 'I love beheading. I also want to lose my head with an axe or a sword.'

5The Butcher's Identity: A Government Official Using His Son's Profile

Internet investigators initially suspected the butcher was a young man (Ton Chung) due to shared online profiles and a distinctive tracksuit. However, further digging revealed Ton Chung's father, Dwan Sang, a middle-aged former deputy head of a market management department, was the actual killer. Dwan Sang had been using his son's online identity and even wore his son's clothes, with his son's birthdate (13/9, or 139) tattooed on his arm.

The discovery that Ton Chung's birthdate (September 13th, 2002) corresponded to the '139' tattoo on the butcher's arm, and Dan Sang's physical resemblance to the butcher.

6Crime Committed in Government Buildings During Holiday

The 'rehearsal,' 'execution,' and 'butchering' videos were filmed inside government buildings, specifically offices, kitchens, and bathrooms, where Dwan Sang worked. The murder was strategically timed for January 25th, 2025, just before the Lunar New Year, a 7-10 day holiday when the offices would be deserted, minimizing the risk of detection.

Cross-referencing video backgrounds with Dwan Sang's personal photos and identifying specific items like avocado-green doors and kitchen tiles as belonging to government property. The date of the murder (Jan 25, 2025) and Lunar New Year (Jan 26, 2025).

Bottom Line

The case highlights the critical role of open-source intelligence (OSINT) communities in uncovering and solving complex, high-profile crimes, especially when official investigations are slow or absent.

So What?

OSINT groups can act as a powerful, decentralized force for justice, capable of rapid, collaborative investigation that can pressure authorities into action.

Impact

Develop platforms or methodologies to better integrate citizen-led OSINT efforts with official law enforcement, ensuring data integrity and actionable intelligence while mitigating risks.

The butcher's online activity showed an evolution of extreme interests, from scatology to purchasing dismembered male private parts and fantasizing about cannibalism, suggesting a progressive desensitization and escalation.

So What?

This progression illustrates how individuals can descend into extreme depravity online, potentially moving from fantasy to real-world violence, and highlights the need for early detection of such escalations.

Impact

Research and develop AI-driven tools for monitoring public online forums for patterns of escalating violent or illegal interests, providing early warning signals for potential real-world threats (with strict ethical guidelines and privacy protections).

Key Concepts

The 'Victimless Crime' Debate

The episode explores the philosophical and legal question of whether a crime exists if all parties consent, particularly in extreme scenarios like consensual cannibalism or self-amputation. It highlights the complexities of bodily autonomy versus societal protection and the potential for exploitation.

Online Disinhibition Effect

While not explicitly named, the behavior of both the victim and the butcher in openly discussing and planning extreme acts on public forums illustrates how online anonymity and perceived distance can lead individuals to engage in behaviors they wouldn't in real life, lowering their inhibitions.

Lessons

  • Exercise extreme caution when interacting in online communities, especially those discussing violent or illegal fantasies, as these can attract individuals willing to act on them.
  • Review and adjust privacy settings on social media platforms, being aware that algorithms like 'People You May Know' may infer connections based on location data or shared contacts.
  • Be critical of the content consumed online, particularly gore, and understand the psychological impact of exposure to real-world violence, as it can desensitize or normalize extreme acts.
  • Support and acknowledge the role of ethical open-source intelligence (OSINT) communities in holding individuals accountable and bringing attention to cases that might otherwise go unsolved.

Notable Moments

The revelation that the victim, Wen Dat, had posted a Facebook status 'From today, I'm logging off this account for good' six months after his actual death, suggesting the killer took over his account.

This detail added a chilling layer to the case, indicating the killer's brazenness and potential intent to seek new victims or mock the deceased.

The 'rehearsal' video, where the masked man pretends to decapitate Wen Dat with a meat cleaver, stopping just before contact, while Wen Dat appears contemplative rather than terrified.

This video was crucial in understanding the consensual nature of Wen Dat's participation and the extreme fetish involved, setting the stage for the actual murder.

The discovery that the butcher was Dwan Sang, a government official, who had used his son's online identity and committed the murder in government buildings.

This twist exposed a shocking abuse of power and trust, highlighting how seemingly respectable individuals can harbor extreme dark interests and leverage their positions for heinous acts.

Quotes

"

"It's not what you know, it's who you know. Well, Facebook, they want to know exactly who you know. They want to know all of them."

Host
"

"I've watched this video over and over, and when I listen, I could hear the motorcycle was really loud and it wasn't going slow either. It sounded like it echoed quite a bit. I think this is someone's house."

Online comment
"

"How long does it take to fatten a long pig? Months? Years? I'm interested in fattening a long pig right now 125 lbs to eat. How much should I fatten her for for the best eating? And what do I use to fatten her?"

Post on Cannibal Cafe forum
"

"I love beheading. I also want to lose my head with an axe or a sword."

Wen Dat's online account
"

"Come on, it's just a few pieces of human meat."

Butcher's Facebook post

Q&A

Recent Questions

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