A Contractor hired them, and paid them the prevailing minimum wage, which was $4 an hour, they wanted 5$ an hour. Oh the horror.
And the court found that Trump knew about it and made him pay. He knew they were illegal, he had them hired to keep his costs down. Maybe so that he could pay the mob concrete company that he used in his projects.
Polish Christian immigrants with a low crime rate. No wonder the DNC didn’t want more defectors from Poland.