Many people on social media noted that Mullin’s threat was both unconstitutional and illegal.

Mullin insisted the Department of Homeland Security found 250,000 noncitizens registered to vote

Homeland Security Secretary Markwayne Mullin outlined the Trump administration's latest election security efforts, saying the Department of Homeland Security identified thousands…

Markwayne Mullin at presser repeated many of Trump’s unverified claims from controversial primetime speech

DHS Secretary Markwayne Mullin threatened to strip states of federal election-related aid if they don't comply with the administration's voting roll probe.

The secretary’s comments come as the Trump administration is increasingly using government agencies to sow doubts about the nation’s electoral system.

WASHINGTON (AP) — Homeland Security Secretary Markwayne Mullin on Friday warned that state officials could lose funding or face investigations if they fail to go along with…

US Homeland Security Secretary threatens prison time for non-compliant state election officials. Trump admin's "mandatory" changes face backlash.

DHS Secretary Markwayne Mullin ramped up the Trump administration's efforts to address what the president claimed are lapses in election security.

Many people on social media noted that Mullin’s threat was both unconstitutional and illegal.

Many people on social media noted that Mullin’s threat was both unconstitutional and illegal.

US president claimed, without evidence, China interfered in 2020 campaign which Trump lost to Joe Biden

Mullin pledged to make Trump's election security demands 'mandatory' and implement a 'maximum pressure' campaign.

Mullin insisted that the president was not relitigating the 2020 election, “although he definitely could at this point.”

Markwayne Mullin repeats Trump’s unsubstantiated claims on security of US elections as president seeks to change election policies ahead of midterms