Republicans are optimistic about Markwayne Mullin taking over the reins at DHS, while Democrats warn his tenure will be more ...

In a letter to President Trump, members of the Republican Main Street Caucus back Sen. Markwayne Mullin to lead Homeland ...

Supporters of Sen. Markwayne Mullin say he'll use his well-documented passion to carry out Trump's immigration enforcement agenda.

President Trump announced Thursday that Sen. Markwayne Mullin, R-Okla., is his pick to replace Kristi Noem as the head of the ...

Oklahoma Sen. Markwayne Mullin has six children with his wife, Christie Mullin ...

President Donald Trump has tapped Republican Sen. Markwayne Mullin as U.S. Secretary of Homeland Security, effective March 31. The president made the announcement on Truth Social ...

Sen. Markwayne Mullin denied knowing about the employee’s criminal record, but the employee says he did. A “cache” of weapons was found at Mullin’s business.

GOP Rep. Kevin Hern launches his Oklahoma Senate bid to replace DHS nominee Markwayne Mullin, vowing to be a "loyal ally" to President Trump’s "America First" agenda.

After Trump's pick of Sen. Markwayne Mullin as homeland security head, senators are wondering if the pick will help reopen ...

Fox Nation chronicles Sen. Markwayne Mullin’s journey from plumber, wrestler and rancher to U.S. senator and DHS secretary nominee.

The Oklahoma Republican, known for confrontational Senate moments, could soon lead Homeland Security during a volatile moment for immigration enforcement.

President Trump has selected Sen. Markwayne Mullin (R-Okla.) — a former undefeated MMA fighter — to replace Kristi Noem as secretary of Homeland Security, branding him a “MAGA Warrior” and lauding his ...