Senate confirms Sen. Markwayne Mullin as DHS secretary

ABC News
March 24, 2026
2 min read

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The Bottom Line

Senate confirmed Oklahoma Republican Markwayne Mullin as Homeland Security secretary to oversee border security and immigration enforcement.

How This Affects You

DHS leadership changes may reshape immigration enforcement and border policies that could affect travel, deportation procedures, and federal disaster response capabilities.

AI Summary

The Senate has confirmed Senator Markwayne Mullin as Secretary of Homeland Security, replacing Kristi Noem in the role. Mullin, an Oklahoma Republican, moves from the Senate to lead the department overseeing border security, immigration enforcement, and disaster response. The confirmation reflects the Trump administration's personnel changes as it reshapes its Cabinet. Mullin's appointment fills a key position in the second-term administration's immigration and border security agenda. The DHS secretary role carries significant authority over federal law enforcement priorities and policies affecting millions of Americans.

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