Markwayne Mullin is facing mounting criticism from President Donald Trump’s allies after a series of recent decisions and public comments have raised questions about whether the Homeland Security secretary is fully aligned with the administration’s hard-line immigration agenda.
Mullin, who took over the Department of Homeland Security in March after Trump removed Kristi Noem, was once viewed as a dependable defender of the president’s policies.
But several recent episodes have reportedly frustrated Trump and angered influential figures within the MAGA movement.
Immigration Comments Trigger Immediate Backlash
One of the earliest flashpoints came in June, following a Supreme Court decision allowing the Trump administration to end temporary protections for Haitian immigrants living in the United States.
Appearing on CNN, Mullin suggested that some affected immigrants could potentially pursue permanent legal status or receive assistance returning to their home country.
The comments reportedly caught administration officials off guard because they appeared to differ from the tougher immigration rhetoric coming from the White House.
For critics within Trump’s movement, the remarks raised concerns that Mullin was taking a softer approach to immigration than expected.
Trump Was Also Annoyed Over the July Fourth Fireworks
Mullin found himself on the wrong side of the president again around the Fourth of July.
With thunderstorms and lightning threatening Washington, he reportedly pushed for the National Mall fireworks display to be cancelled.
Trump later referenced the episode during his Independence Day remarks, joking about the suggestion that the celebration could simply be moved to another date.
The president made clear that, in his view, July Fourth was not something that could simply be rescheduled.
A DHS Policy Change Was Reversed by Trump
The tension intensified later in July following two fatal shootings involving immigration officials in Texas and Maine within a single week.
Mullin responded by temporarily stopping federal immigration officers from conducting vehicle stops for certain check-ins.
According to reporting cited by the Wall Street Journal, Trump was not informed about the decision before Mullin implemented it.
The president subsequently reversed the policy through a Truth Social post the following day.
The episode added to concerns among administration insiders about Mullin’s willingness to make significant decisions without first securing approval from the White House.
His Oklahoma Speech Sparked a MAGA Revolt
Mullin’s most recent controversy came during a National Governors Association meeting in Oklahoma.
While speaking in his home state, the secretary acknowledged that immigrants taking American jobs can happen in some industries but argued that the claim does not apply universally.
He also suggested immigration could help industries struggling with low labour-force participation.
The comments were immediately seized upon by Trump’s most vocal supporters, who accused Mullin of straying from the administration’s immigration message.
Trump ally Laura Loomer publicly called for Mullin to be fired, while other prominent figures including Gregory Bovino, Tomi Lahren and Steve Bannon also criticised him.
Democrats Praised Mullin’s More Moderate Tone
Mullin’s remarks did not only attract criticism from the right.
Maryland Governor Wes Moore, a Democrat, praised the secretary’s comments as a welcome change from what he described as the tone of other senior Trump officials.
Mullin also has a reported relationship with Pennsylvania Governor Josh Shapiro, another Democrat, whom he previously described as someone with whom he has a “real good relationship.”
The praise from Democratic politicians only appeared to deepen the backlash from Trump’s conservative base.
Within hours of the Oklahoma speech, Mullin appeared to respond to the criticism by declaring on social media: “NO amnesty for illegal aliens. Ever.”
The statement appeared to reaffirm his commitment to the administration’s tougher immigration policies.
Fight Over the Next ICE Director
Mullin has also encountered resistance over his preferred candidate to lead Immigration and Customs Enforcement.
He selected Lance Schroyer for the position, but the nomination has reportedly been placed on hold amid concerns about Schroyer’s background and lack of federal immigration experience.
Tom Homan, Trump’s border czar, has reportedly objected to the choice as well.
Sources familiar with the selection process said they were unaware of Mullin conducting a broader search for candidates and alleged that he had instead backed someone described as a “buddy.”
There were also claims that Mullin took Schroyer’s case directly to Trump without consulting senior immigration advisers Stephen Miller and Homan.
The White House, however, has maintained that Schroyer remains Trump’s nominee and cautioned that congressional scheduling should not automatically be interpreted as a decision to abandon the nomination.
Trump Is Reportedly Frustrated but Not Ready to Fire Him
Despite the growing criticism, Mullin does not appear to be facing immediate removal.
A senior administration official told the Wall Street Journal that Trump has become increasingly frustrated with the DHS secretary but currently has no plans to dismiss him.
The White House has publicly defended Mullin and insisted that the administration remains united behind Trump’s agenda.
DHS has similarly described the administration as “one team” with “one fight.”
That public backing suggests Mullin still has an opportunity to repair his relationship with the president.
Mullin Entered the Job as a Trump Loyalist
Mullin was confirmed as Homeland Security secretary in March by a 54-45 Senate vote.
Democratic senators John Fetterman and Martin Heinrich joined most Republicans in supporting him, while Republican Senator Rand Paul opposed the nomination.
Paul and Mullin have had an openly hostile relationship, with Mullin previously referring to Paul as a “freaking snake” before later apologising.
Trump had strongly backed Mullin for the DHS position, praising his background and saying he would be a “spectacular” secretary.
The appointment came after Noem’s dramatic departure from the department amid a series of controversies.
From MMA Fighter to Homeland Security Chief
Mullin’s political career has been unusually varied.
The Oklahoma Republican served in the House from 2013 until 2023 before moving to the Senate, where he became a prominent supporter of Trump’s policies.
Before entering politics, he briefly competed as a mixed martial arts fighter and finished his professional career undefeated at 5-0.
He was later inducted into the Oklahoma Wrestling Hall of Fame.
His combative personality has followed him into Washington.
In 2023, he famously challenged the president of the Teamsters to a physical fight during a Senate hearing.
That reputation helped establish Mullin as a particularly outspoken Trump ally.
His Future at DHS Is Now Under a Microscope
For now, Trump appears willing to keep Mullin in place.
But the series of recent incidents has created a clear political problem for the secretary: his decisions and public comments are increasingly being scrutinised not only by Democrats but also by the conservative activists and Trump allies whose support is crucial to the administration.
Mullin’s challenge will be to demonstrate that his more moderate-sounding comments do not represent a departure from Trump’s immigration agenda.
With the president reportedly growing frustrated and influential MAGA figures demanding his removal, the Homeland Security secretary may have to quickly rebuild confidence inside an administration where loyalty and message discipline remain paramount.