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.

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,

A G.O.P. measure to deport immigrants accused of minor crimes has spotlighted a divide among Democrats over how to position themselves on immigration, with some already shifting to the right.

The Senate voted to move forward with the Laken Riley Act, which would require authorities to detain undocumented immigrants arrested for theft-related and other offenses.

U.S. Senate Democrats provided the votes on Friday to advance a bill requiring authorities to detain migrants who entered the country illegally if they are suspected of theft, days before President-elect Donald Trump returns to power.