Just 4½ months after replacing Kristi Noem as Homeland Security secretary, Markwayne Mullin is feeling the heat from ...

Homeland Security Secretary Markwayne Mullin’s pick to run Donald Trump’s immigration crackdown on the ground has sparked a ...

Department of Homeland Security Secretary Markwayne Mullin is facing a chorus of criticisms voiced by supporters of President Donald Trump, despite shepherding the federal government toward a historic ...

Homeland Security Secretary Markwayne Mullin on Friday threatened state election officials.

Markwayne Mullin's toughest political challenge isn't Democrats. It's a livid MAGA base.

Homeland Security Secretary Markwayne Mullin on Tuesday pushed back against the blowback he received from President Trump’s ...

DHS has had hundreds of billions of dollars injected into immigration enforcement, with critics worrying of oversight of the gargantuan agency.

Laura Loomer called for Mullin to be fired, writing she’s “so fed up,” while conservative activist Robby Starbuck wrote, “the ...

Sen. Markwayne Mullin appeared to say he would end Kristi Noem’s rule that required her approval of any new contract above $100,000. The longtime Republican lawmaker from Oklahoma was chosen to ...

DHS Secretary Markwayne Mullin praises the Trump administration for empowering him to secure the border and bolstering the ...

DHS Secretary Markwayne Mullin joins Lara Trump to discuss the escalating migrant crisis in Europe and the importance of ...

President Donald Trump brought in Homeland Security Secretary Markwayne Mullin to lead a department at the forefront of his signature domestic policy.