DHS Secretary Markwayne Mullin Official Portrait (DHS photo by Tia Dufour) | View Original Markwayne Mullin is the 9th Secretary of the Department of Homeland Security. Prior to serving in President Trump’s Cabinet, Secretary Mullin represented the people of Oklahoma for 13 years in both the United States Senate and House of Representatives. During his time in the U.S. Senate, Markwayne Mullin quickly earned a reputation as a lead nexus policymaker among the Republican-led House, Senate, and White House in support of President Trump’s legislative agenda. Mullin is known as a strong ally of the President while also striving to find common ground across the aisle on behalf of the American people. Last year, Mullin championed the fight to get major legislation, including the ‘One Big, Beautiful Bill,’ the National Defense Authorization Act, the Give Kids a Chance Act, and President Trump’s 12 appropriations bills across the finish line.…