Democrats and at least one powerful Republican still have concerns about Mullin’s leadership of the department.

Homeland Security Secretary Markwayne Mullin told Republican lawmakers Wednesday that Congress needs to fund security aspects ...

Department of Homeland Security (DHS) Secretary Markwayne Mullin raised the possibility of restricting customs privileges at airports in sanctuary cities during an appearance on "Special Report" ...

Republicans are trying to put forward a funding package that would fund most of the agencies under the Department of Homeland Security.

This story has been updated with new information. WASHINGTON ‒ Congress finally ended the historic Department of Homeland Security shutdown, resolving the longest crisis of its kind in American ...

DHS Secretary Markwayne Mullin railed against "radical" Democrats in a Fox News interview, warning of a "whole other side" of ...