PANews reported on June 16 that, according to The Block, the Seoul Metropolitan Police Agency's Criminal Investigation Division arrested 23 suspects for allegedly laundering money for a Cambodian criminal organization, involving approximately 16.8 billion won (about US$11.1 million). Between February 2024 and April 2025, the group transferred approximately US$11.1 million in illicit funds by purchasing USDT and trading it on domestic and international cryptocurrency exchanges. They used approximately 11,300 accounts to launder money, involving about 265 phishing and investment scams, with the total amount involved estimated at about US$17 million.

Seoul police have seized approximately 650 million won (about US$430,000) in proceeds of crime from the suspects, but the ringleader remains at large and has been placed on a red notice by Interpol. Police have also arrested 33 individuals on the same charges for illegally providing currency exchange services to tourists and acquaintances via USDT.