There are thousands of grows by Chinese nationals and cartels all across the US. Presents a lot of problems from public safety to effecting legal and grey markets. Cali and Oklahoma are the two states where it's most prevalent.
Lots of articles recently about Siskiyou County, CA and other parts of the state. Gotta watch out anywhere you go in national and state forests!!! In OK, they buy property, set up a couple of large greenhouses and grow till they get popped. They just set up another operation on other properties til they get busted again. Of course the people financing profiting the operations are never the ones busted