Markwayne Mullin officially made the move from a senator to Department of Homeland Security secretary after his nomination was confirmed and he was sworn into office.

Markwayne Mullin has been confirmed as secretary of the Department of Homeland Security after a fast-moving nomination process. The U.S. Senate confirmed Mullin in a 54-45 vote, with two Democrats ...

"You can discipline with love," said Mullin, the newly sworn-in homeland security secretary, in a resurfaced video ...

Republican Oklahoma Gov. Kevin Stitt announces Alan Armstrong as his choice to fill the U.S. Senate seat vacated by next DHS ...

In a 54 to 37 vote, two Democrats voted with all Republicans in attendance to advance Sen. Markwayne Mullin's nomination. A ...

Jimmy Kimmel recently ridiculed the appointment of Markwayne Mullin as the Secretary of the Department of Homeland Security.

Members of the Oklahoma delegation are reacting to Oklahoma Senator Markwayne Mullin's confirmation as the Department of ...

The Oklahoma Republican comes to the helm in the midst of a shutdown that has left some 100,000 of the department's more than ...

Earlier this week, Oklahoma Republican Sen. Markwayne Mullin was sworn in as U.S. Department of Homeland Security secretary, ...

Political leadership in Oklahoma had different views ahead of Markwayne Mullin's potential confirmation as Secretary of U.S.

Markwayne Mullin was sworn in as secretary of the Department of Homeland Security on Tuesday, taking the oath of office at ...

Senate confirms Markwayne Mullin as DHS secretary; Gov. Stitt to name Senate choice Tuesday ...