What Donald Trump Knew About Undocumented Workers at His Signature Tower

In the summer of 1980, Donald Trump faced a big problem. For six months, undocumented Polish laborers had been clearing the future site of Trump Tower, his signature real estate project on Manhattan's Fifth Avenue, where he now lives, maintains his private offices and hosts his presidential campaign.

The men were putting in 12-hour shifts with inadequate safety equipment at subpar wages that their contractor paid sporadically, if at all.