In choosing South Dakota Gov. Kristi Noem as his homeland security secretary, President-elect Donald Trump is tapping a long-time loyalist to helm an agency that’s expected to play a central role in his immigration crackdown.

President-elect Donald Trump has chosen South Dakota Gov. Kristi Noem to lead the Department of Homeland Security.

President-elect Donald Trump has selected South Dakota Gov. Kristi Noem as his next secretary of the Department of Homeland Security, according to two people familiar with the selection. Noem will be tapped to take over the agency as two key immigration hardliners — Stephen Miller and Tom Homan — are slated to serve in senior roles,