Event Brief
Markwayne Mullin sworn in as DHS secretary
Filed: Mar 24, 2026 at 3:02 PM ET
Summary: Markwayne Mullin took the oath of office as secretary of DHS at the White House after Senate confirmation.
WHO: Markwayne Mullin
WHAT: sworn in as secretary of the Department of Homeland Security
WHEN: Mar 24, 2026 at 2:29 PM ET
WHERE: White House
WHY: Mullin won confirmation in the Senate
ℹ️ This event is analyzed using pattern arcs, velocity indicators, and source analysis in our MI Console.
Know more. Read less.
The BriefBrief follows the story, so you don't have to read every article. See what happened, how it changed, and where it came from, all in one place.
Same format. Every time.
See how stories unfold →