Markwayne Mullin told the "Ruthless Podcast" that President Donald Trump shifted border security from defense to offense, ...

A dispute over which undocumented immigrants should arrested exposes disconnect between White House and officials charged ...

Rand Paul chairs the Senate panel overseeing DHS and is feuding with Secretary Mullin. Here's what is stalled and what to ...

Nothing to see here? DHS Secretary Markwayne Mullin shares a D.C. home with a Republican congressman The homeland security ...

Homeland Security Secretary Markwayne Mullin had a full meltdown at a former mayor when he was asked how he reconciled his ...

Homeland Security Secretary Markwayne Mullin's “temperament” came under scrutiny Monday after The Oklahoman published audio of his “shouting match” with a former mayor — an exchange one Democratic ...

Oklahoma voters will choose a U.S. senator on Nov. 3 in a special election to fill the seat vacated by Markwayne Mullin.

Sen. Alan Armstrong (R-Okla.) was appointed to the seat vacated by Homeland Security Secretary Markwayne Mullin in March. And he said the Senate's culture is not ideal.

Two Democratic senators are demanding answers following reports that Department of Homeland Security (DHS) funds were used to ...

Former Edmond Mayor Randel Shadid was escorted out of a private Edmond Chamber of Commerce event after a heated exchange with ...

Oklahoma’s recently appointed U.S. Senator and a potential successor have been quietly clashing over who gets to serve out ...

U.S. Senator Catherine Cortez Masto is one of a number of Democrats accusing DHS Secretary Markwayne Mullin of interference ...