In a letter to President Trump, members of the Republican Main Street Caucus back Sen. Markwayne Mullin to lead Homeland Security after Kristi Noem's ouster.

Markwayne Mullin has been nominated by President Trump to lead the Department of Homeland Security after his predecessor, Kristi Noem's contentious departure.

Trump's pick to replace Noem as Secretary of Homeland Security is an extremely anti-abortion, anti-trans senator from Oklahoma who once joked about shooting journalists.

The ouster of Kristi Noem opens the path for a potential deal to reopen the Department of Homeland Security, according to Senate sources familiar with negotiations. Senate Majority Leader John Thune ...

Chelsea Handler mocks Kristi Noem as "ICE Barbie" while celebrating the latter's exit from the DHS.

Lines at security checkpoints stretched more than an hour at airports across the country, as the partial government shutdown of the Department of Homeland Security continues.

The Oklahoma senator whom President Trump chose to run the Department of Homeland Security has risen in Washington by styling himself as a MAGA warrior and Trump loyalist.

When you think about it, it's really one or two votes that make or break any legislation now in the House of Representatives, ...

Gov. Kevin Stitt said Sunday that he has not made a decision on who will fill a vacant U.S. Senate seat following Markwayne Mullin's appointment to President Donald Trump's cabinet.

The Oklahoma senator—who has defended police killings, promoted “show your papers” policing and backed war with Iran—is being ...

President Donald Trump has fired Department of Homeland Security Secretary Kristi Noem and nominated Oklahoma Senator ...

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