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

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

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

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 ...

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

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

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

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

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

Homeland Security Secretary Markwayne Mullin compared undocumented immigrants to child rapists before clashing with an Edmond ...

Centrist Sen. John Fetterman (D-Pa.) joined his Senate Democratic colleagues in sending a letter to Homeland Security ...

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