Social Engineering & FraudMANIPULATIVE

Pig-Butchering Scam

What it is

A hybrid romance-and-investment fraud in which the criminal cultivates a relationship, introduces a fake cryptocurrency or trading platform showing false gains, and drains the victim of ever-larger deposits.

How it works

The name, from the Chinese sha zhu pan (fattening a pig before slaughter), describes the method: build trust and let the victim see fake profits before taking everything. The approach often begins with an accidental-seeming "wrong number" text that turns warm and friendly. Over weeks the contact becomes a confidant or partner, then mentions a lucrative crypto or forex platform, walking the victim through a small, successful test withdrawal that proves the site pays out. That single real payout converts skepticism into greed and trust; deposits escalate, the dashboard shows soaring gains, and when the victim tries to cash out they are told they must pay taxes or fees first, extracting still more. Griffin and Mei traced more than 75 billion dollars flowing to these networks from 2020 to early 2024. Critically, many of the people sending the messages are themselves victims of human trafficking, held in compounds across Southeast Asia and forced to scam under threat, as documented by the UN human-rights office in 2023. Victims of the fraud often experience it as intimate betrayal and abuse.

Real-world examples

•A "wrong number" text becomes a months-long friendship, then an introduction to a crypto app where a small withdrawal succeeds, convincing the victim to invest their savings before the platform locks them out.
•Shan Hanes, CEO of Heartland Tri-State Bank in Kansas, embezzled about 47 million dollars into a pig-butchering scheme in 2023, collapsing the bank; he was sentenced to over 24 years in 2024.
•Griffin and Mei's 2024 analysis followed victim crypto addresses and estimated more than 75 billion dollars moved to these criminal networks in roughly four years.
•The UN reported in 2023 that well over a hundred thousand people are held in scam compounds in Myanmar and Cambodia, coerced into running these frauds.

Historical case studies

The FinCEN alert on "pig butchering"

2023Financial Regulation

In September 2023 the US Treasury's Financial Crimes Enforcement Network issued a formal alert to banks describing the scam in the perpetrators' own term: the victim is "fattened" with weeks of friendly or romantic conversation, shown fake profits on a counterfeit cryptocurrency trading site, encouraged to invest more, and then cut off, often after being charged invented taxes or fees to withdraw. The alert notes that many of the people sending the messages are themselves victims of human trafficking, held in scam compounds in Southeast Asia and forced to work.

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Investment fraud becomes the costliest crime reported to the FBI

2023Law Enforcement Data

The FBI Internet Crime Complaint Center's 2023 annual report recorded $4.57 billion in reported investment-fraud losses, a 38 percent rise on the previous year and more than any other crime category, with cryptocurrency investment schemes of the confidence-building kind accounting for about $3.94 billion of it. The Bureau notes that victims are frequently approached again afterwards by fake "recovery" services. The figures count only what was reported, and the long grooming period that distinguishes this fraud from older advance-fee scams is the reason individual losses run so high.

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Ethical guidelines

●The fraud is theft dressed as intimacy and investment; there is no honest version, and victims deserve support rather than blame.
●Because many operators are trafficking victims coerced under violence, an anti-fraud response must also be a human-rights response, not only a criminal one.
●Platforms, exchanges, and banks should flag the pattern (a new contact steering toward an unlisted trading site) and add friction before large or first-time crypto transfers.

How to defend against it

►Never invest through an app or site introduced by someone you met online, however profitable a test withdrawal appears; the small payout exists to earn the big deposit.
►A demand to pay "taxes" or "fees" before you can withdraw your own money is proof the platform is fake; real exchanges deduct fees, they do not require fresh deposits to release funds.
►Treat unsolicited "wrong number" texts that turn friendly as an opening move, not a coincidence; do not engage.
►Verify any trading platform against your national regulator's register and search its name with the word "scam" before depositing anything.
►If you are caught in one, stop depositing, preserve the chats and transaction records, and seek help and reporting through reportfraud.ftc.gov, the FBI at ic3.gov, and AARP Fraud Watch Network; you are one of many, and it is not your fault.

From the Defense Playbook

The Outside View (Reference-Class Forecasting)minutes

Estimate how a plan, investment, or claim will turn out by first asking what happened to similar cases, rather than reasoning from the specifics of this one and the story you have been told about it.

Bring a Second Personminutes

Insist on having a trusted third party present, on the call, or copied in before a significant decision, because a single ally breaks the isolation that most high-pressure and fraudulent persuasion depends on.

Know Your Vulnerability Windowstakes practice

Identify in advance the states and life periods in which you are easiest to persuade (exhaustion, grief, loneliness, money trouble, a move, a breakup, a new job) and set standing rules that apply automatically when you are in one.

Reverse Image Searchminutes

Upload or paste an image (or a video frame) into an image search engine to find where else and when it has appeared, which exposes recycled photos, stolen profile pictures, and images given a false caption.

Account Forensicsminutes

Before taking an online account's word, or taking a crowd of accounts as public opinion, spend a minute on the profile itself: its age, history, posting rhythm, network, and photo, which together show whether you are looking at a person, a persona, or a coordinated operation.

Gift Cards Mean Scamseconds

Treat any demand to pay a debt, fine, fee, bail, or "security deposit" with gift cards, cryptocurrency, a wire to a stranger, a payment app, or cash handed to a courier as proof of fraud, because no legitimate institution collects money that way.

Tell Someone Before You Send Moneyminutes

Before sending money or sharing account details in response to any unexpected request, describe the situation out loud to one person who is not involved, because scams depend on the target deciding alone.

Every playbook entry states how strong its evidence is and when not to use it. Browse the full playbook.

References

Griffin, J. M., & Mei, K. (2024). How Do Crypto Flows Finance Slavery? The Economics of Pig Butchering. Working paper (SSRN 4742235) · link
Tracing more than 75 billion dollars in victim crypto flows to pig-butchering networks from 2020 to early 2024.
United Nations Office of the High Commissioner for Human Rights (OHCHR) (2023). Online Scam Operations and Trafficking into Forced Criminality in Southeast Asia. OHCHR Regional Office for South-East Asia · link
Documentation that many operators are trafficking victims forced to run scams in Southeast Asian compounds.
Federal Bureau of Investigation, Internet Crime Complaint Center (2024). Internet Crime Report 2023. FBI IC3 · link
Investment fraud, including crypto-investment romance schemes, as the costliest reported category in 2023.

Last reviewed 2026-09-07

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