That being said it's not just Chinese people targeting overseas people. Chinese people are also often targets of pig butchering. The problem is so bad that a movie was made about it in China and earned $500M at the box office. Given that China heavily censors its media market, it is no secret who is doing what. https://en.wikipedia.org/wiki/No_More_Bets
The UN estimates that in Myanmar alone, up to 100,000 people are being trafficked to staff the call centers involved in these schemes. https://www.dw.com/en/how-chinese-mafia-are-running-a-scam-f...
That being said it's not just Chinese people targeting overseas people. Chinese people are also often targets of pig butchering. The problem is so bad that a movie was made about it in China and earned $500M at the box office. Given that China heavily censors its media market, it is no secret who is doing what. https://en.wikipedia.org/wiki/No_More_Bets