The president-elect’s immigration advisers have warned Republicans that it will take time and money from Congress to carry out the mass deportation effort he has promised to execute immediately.

Donald Trump has pledged to carry out, as president, the largest deportation effort in US history, vowing to ultimately deport all of the foreigners living in the country without permission. They are thought to number at least 11 million,

As President-elect Donald Trump is inaugurated on Monday, families worry he will fulfill his campaign promise by ordering sweeping deportations across the country.

The hard-line policies in his first term were a significant shift that reframed the national conversation on immigration and helped return him to the White House.