Basically they used a study visa to be able to get into the country and then they overstayed their visas. Their real intent was never really just to stay temporarily, rather they were trying to permanently immigrate. Four out of every 10 foreigners who entered South Korea on a language study visa turned into illegal immigrants, data showed. Out of the total 64,904 foreigners staying in South Korea as of June after entering the country on the D-4 General Trainee Visa, 25,898, or 39.9 percent, switched into undocumented immigrants. 4 of 10 foreigners on Korean language visa turn into illegal immigrants, Park Boram, Yonhap News English, October 2023 This story is about South Korea, but you can just imagine what the statistics may likely be for the United States.
People from poorer countries are willing to lie, cheat, and steal to get into richer countries? Quelle Suprise!
