The new head of Homeland Security just floated a plan that could shut down international flights at America’s busiest airports unless sanctuary cities bend the knee on immigration enforcement.
Story Snapshot
- DHS Secretary Markwayne Mullin proposed withdrawing CBP agents from international airports in sanctuary cities that refuse to cooperate with ICE deportations
- The plan targets major hubs including JFK, Newark, Los Angeles, Chicago, San Francisco, Seattle, Denver, and New Orleans
- California Governor Gavin Newsom’s office immediately blasted the proposal as a “stupid idea” that would cripple the economy
- The move escalates beyond previous funding threats to directly disrupting operational infrastructure at airports hosting over 70% of U.S. international flights
A Warning Shot Heard Across Blue America
Markwayne Mullin wasted no time making his mark as DHS Secretary. Days after his Senate confirmation, Mullin sat down with Fox News and dropped a proposal that sent shockwaves through Democratic strongholds. His logic cuts straight to the bone: if sanctuary cities refuse to help federal immigration enforcement, why should they receive federal customs agents to process international travelers? The question reframes decades of sanctuary city defiance as a privilege problem rather than a constitutional standoff.
Mullin’s argument rests on resource allocation. Customs and Border Protection agents represent finite federal manpower. Cities that actively obstruct ICE operations are essentially demanding services while undermining the broader mission. From this perspective, redirecting CBP personnel to cooperative jurisdictions makes operational sense. The secondary benefit is crystal clear: economic pressure might accomplish what legal battles and funding threats could not.
The Airports That Would Go Dark
The targeted airports read like a greatest hits list of American aviation. JFK and Newark serve as New York’s international gateways. Los Angeles International ranks among the world’s busiest hubs. O’Hare handles Chicago’s global connections. San Francisco, Seattle, Denver, Boston, Philadelphia, and New Orleans round out the list. Together, these facilities process millions of international passengers monthly and generate billions in economic activity. Shuttering customs operations at even one would trigger cascading disruptions across airlines, businesses, and travelers worldwide.
The aviation industry built its infrastructure around these coastal and major metropolitan hubs over decades. Airlines cannot simply reroute international flights to smaller airports lacking customs facilities, gate capacity, or connecting flight networks. The proposal essentially holds these cities’ economic engines hostage. Whether that constitutes hardball negotiation or federal overreach depends entirely on your view of sanctuary policies and immigration enforcement priorities.
Sanctuary Cities Under Siege
Sanctuary policies trace back to the 1980s when cities began limiting local law enforcement cooperation with federal immigration authorities. The movement accelerated during Trump’s first term, with jurisdictions asserting that helping ICE deportations undermined community trust and stretched local resources. Democratic mayors and governors framed non-cooperation as protecting vulnerable populations and preserving constitutional limits on federal commandeering of state resources. Conservative critics saw it as lawless obstruction endangering public safety.
Previous Trump administration efforts to punish sanctuary cities through funding cuts largely failed in court. Judges ruled the executive branch could not unilaterally withhold congressionally appropriated funds. Mullin’s airport gambit attempts an end run around those legal obstacles by controlling operational deployment rather than budgets. The distinction matters: federal courts have affirmed executive discretion over how agencies allocate personnel, even as they blocked financial coercion.
Economic Warfare or Legitimate Leverage
Gavin Newsom’s press office fired back immediately on social media, warning that halting international travel would devastate an already struggling economy. The criticism frames Mullin’s proposal as reckless political theater prioritizing immigration ideology over practical governance. California’s economy depends heavily on international trade, tourism, and business travel flowing through LAX and SFO. Shuttering customs at those facilities would hammer industries far removed from immigration debates.
Yet Mullin’s position taps into genuine frustration among immigration enforcement advocates. Sanctuary cities effectively create two-tiered immigration systems where federal law applies unevenly based on local political preferences. ICE agents operating in non-cooperative jurisdictions face heightened dangers and reduced effectiveness. From this angle, sanctuary policies represent the original economic warfare, forcing federal agencies to operate with one hand tied behind their backs while cities enjoy the benefits of international connectivity.
The Path Forward Looks Messy
Mullin emphasized the proposal remains under consideration, not active policy. Implementation would trigger immediate legal challenges testing whether DHS can selectively deploy CBP based on local immigration cooperation. Courts blocked similar Trump-era maneuvers, but this operational approach might survive judicial scrutiny where funding threats failed. The administration likely anticipates litigation and views the threat itself as valuable leverage pushing cities toward cooperation.
The broader context matters here. Trump won reelection promising mass deportations and immigration crackdowns. His base expects aggressive action, not incremental policy adjustments. Appointees like Mullin understand their mandate includes creating pressure points that force sanctuary jurisdictions to choose between ideological commitments and economic realities. Whether Americans view this as principled enforcement or authoritarian bullying largely tracks existing partisan divides on immigration and federalism.
Sources:
New DHS Secretary Considers Removing International Flights from Sanctuary Cities
DHS considers scaling back customs operations in sanctuary cities








