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Sen. Markwayne Mullin, R-Okla., speaks with reporters on the steps at the Capitol in Washington, Thursday, March 5, 2026. (AP) Sen. Markwayne Mullin, R-Okla., speaks with reporters on the steps at the Capitol in Washington, Thursday, March 5, 2026. (AP)

Sen. Markwayne Mullin, R-Okla., speaks with reporters on the steps at the Capitol in Washington, Thursday, March 5, 2026. (AP)

Maria Ramirez Uribe
By Maria Ramirez Uribe March 18, 2026
Amy Sherman
By Amy Sherman March 18, 2026
Zoe Weyand
By Zoe Weyand March 18, 2026

Sen. Markwayne Mullin, R-Okla., will appear before a Senate committee March 18 for his confirmation hearing for secretary of the Department of Homeland Security. 

President Donald Trump announced March 5 that he's nominating Mullin to replace Kristi Noem as the head of DHS and Noem will head a western hemisphere security initiative as Special Envoy for The Shield of the Americas. 

PolitiFact will be fact-checking Mullin’s confirmation hearing live starting at 9:30 a.m. EDT. Follow along with our live fact-checking here on our website and across our social media channels, including Facebook, Instagram, Threads, Bluesky, TikTok and X. 

READ MORE: What did Sen. Markwayne Mullin, Trump's DHS secretary pick, say about the ‘smell’ of war?

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Live: Fact-checking Sen. Markwayne Mullin’s DHS secretary confirmation hearing