Hu was detained after investigators said he submitted a false address change in Tokyo in April, as part of efforts to secure residency in Japan. He said an agent handled parts of the paperwork.

US authorities have linked Prince Group-related entities to large-scale online investment fraud operations across multiple countries, involving offshore structures and cross-border financial channels.

Investigators say Hu may be part of an international fraud structure operating across multiple jurisdictions. The case shows how modern scam networks move across banking systems, corporate entities, and digital payment channels to hide activity.