Homeland Security Secretary Markwayne Mullin has warned state officials they could lose funding or face investigations if they don't follow President Donald Trump’s election security demands.

Secretary Markwayne Mullin also threatened to defund states that don’t “scrub” their voter rolls.

A day after President Donald Trump used his speech to revive U.S. election doubts and dispute his 2020 loss, Homeland Security Secretary Markwayne Mullin said he would pursue…

Trump outlined declassified intelligence documents Thursday he said indicated China holds access to sensitive voter data and systems.

Watch live as U.S. Homeland Security Secretary Markwayne Mullin delivers remarks on the Trump administration's election security efforts.