During a Senate Appropriations Committee hearing on Thursday, Sen. Markwayne Mullin (R-OK) and Sen. Martin Heinrich (D-NM) discussed security measures in the Senate.

During Secretary of Defense Pete Hegseth's testimony before the Senate Armed Services Committee on June 18, 2025, Republican ...

Sen. Markwayne Mullin (R-Okla.) and Sen. Chris Murphy (D-Conn.) discuss the Senate’s passage of President Trump’s tax bill.

Sen. Markwayne Mullin (R-Okla.) said Sunday that he is “very confident” that President Trump’s “big, beautiful bill” will ...

With President Trump's ambitious "Big Beautiful Bill" facing a critical July 4th deadline, Senate Republicans are pushing ...

"Why wouldn't you send a child with their parents? Why would you want to separate them? I wouldn't want to be separated from my kid," the GOP senator said.

U.S. Senator Markwayne Mullin honored News 9’s Alex Cameron for his 30 years of reporting, highlighting his impactful work connecting Oklahomans to Washington, D.C.

U.S. Sen. Markwayne Mullin has been on Capitol Hill all weekend, working alongside federal lawmakers to pass the "big, ...

GOP Sen. Markwayne Mullin said he believes babies born in the U.S. to immigrants living in the country illegally should be deported alongside their parents.

Sen. Markwayne Mullin (R-Okla.) talks about the Senate’s late night vote on President Trump’s tax cuts and spending bill, the Supreme Court’s ruling on nationwide injunctions, and the American attack ...

Vice President JD Vance provided the tie-breaking vote to get Trump's bill across the finish line. It now must go back to the ...

Sen. Markwayne Mullin (R-OK) is the latest Republican Senator lying about those on Medicaid, claiming at least 35 million people don't deserve access to health care.