President Trump on Thursday fired DHS Secretary Kristi Noem and announced he was replacing her with Oklahoma Senator. Here’s a quick primer on the Oklahoma Republican. Mullin is serving his first term in the US Senate,

Noem's firing comes after a controversial tenure at DHS with nationwide protests, a partial government shutdown and a divisive ad campaign.

Oklahoma Republican Sen. Markwayne Mullin says he has no idea how quickly his nomination to replace Kristi Noem at the Department of Homeland Security will move

Fox News senior congressional correspondent Chad Pergram provides an update on President Donald Trump’s firing of DHS Secretary Kristi Noem and his decision to replace her with Sen. Markwayne Mullin,

Minnesota leaders reacted swiftly to Kristi Noem losing her job as head of the Department of Homeland Security today. President Donald Trump announced he would nominate Markwayne Mullin, a Republican senator from Oklahoma,

President Trump announced Thursday that he is removing Homeland Security Secretary Kristi Noem and will nominate Republican Sen. Markwayne Mullin of Oklahoma to replace her. CBS News has learned that the final straw appeared to be Noem's response to a question during Tuesday's Senate hearing from Republican Sen.

President Trump just ousted homeland security secretary Kristi Noem, announcing plans to replace her with Senator Markwayne Mullin, a former businessman

Her ouster comes after two contentious days of her testimony before Congress. Trump says Oklahoma Sen. Markwayne Mullin will take her place.