The Senate has voted to confirm President Trump’s pick, Sen. Markwayne Mullin, R-Okla., to lead the Department of Homeland Security. NBC News’ Sahil Kapur reports on the Senate vote.

President Trump tapped Mullin, a first-term Oklahoma GOP senator, to replace Kristi Noem as homeland security secretary earlier this month.

The U.S. Senate on Monday (March 23) confirmed President Donald Trump's nominee for Homeland Security secretary, Markwayne Mullin, to replace outgoing Kristi Noem, heralding a shift in leadership as public support for Trump's immigration crackdown has fallen.

President Trump swears in Oklahoma senator Markwayne Mullin as the new Secretary of Homeland Security, replacing Kristi Noem. The confirmation comes as the department's shutdown drags through its

Markwayne Mullin, a Republican senator from Oklahoma, will replace outgoing Homeland Security Secretary Kristi Noem.

The Senate on Monday night confirmed President Donald Trump's nomination of Sen. Markwayne Mullin to lead the Department of Homeland Security. Mullin advanced out of Senate committee last week after a fiery confirmation hearing.

President Trump installed in his new Department of Homeland Security (DHS) secretary, Sen. Markwayne Mullin (R-Okla.), on Tuesday, as a deal to fund the department is taking shape. Both the House and

President Trump installed his new Department of Homeland Security (DHS) secretary, former Sen. Markwayne Mullin (R-Okla.), on Tuesday afternoon. But a compromise plan to reopen his department is