The role is key to Trump’s plans for the second term after his pledge to deport millions of undocumented immigrants and impose a crackdown at the U.S.-Mexico border.

The Senate confirmed Gov. Kristi Noem (R-SD) as the next Secretary of the Department of Homeland Security on Sunday during a weekend vote, as Republicans overcame efforts by Democrats to delay the process by using procedural hurdles.

Kristi Noem was confirmed by the U.S. Senate as President Donald Trump's Homeland Security secretary on Saturday, putting into position a key member of the Republican's Cabinet as he launches a wide-ranging immigration crackdown.