TL;DR
Homeland Security Secretary Markwayne Mullin has announced plans to remove customs officers from international airports in Democratic-led sanctuary cities, citing protests and enforcement issues. The White House has not approved this move, and its implementation remains uncertain.
Homeland Security Secretary Markwayne Mullin announced plans to remove customs officers from international airports serving Democratic-led sanctuary cities, a move that has generated widespread criticism from industry groups and political figures.
Mullin stated that the plan is part of a broader effort to enforce federal immigration laws in sanctuary cities, which he claims hinder DHS operations. The plan involves pulling Customs and Border Protection (CBP) officers from airports like Newark, Los Angeles, and others in jurisdictions identified as sanctuary cities.
However, the White House has not endorsed the plan, and DHS confirmed to Forbes that it is still in the planning stage. The move follows recent protests at Delaney Hall, a detention facility in New Jersey, which Mullin linked to the potential withdrawal of customs officers at Newark Airport. Local officials, including New Jersey Governor Mikie Sherrill, condemned the plan, citing economic and security concerns.
Potential Impact on International Travel and Economy
This plan, if enacted, could disrupt international travel, harm the U.S. economy, and damage the country’s reputation for reliable aviation operations. Experts warn that removing customs officers could lead to delays, increased security risks, and significant economic losses, especially in cities with high international visitor traffic. The move also raises concerns about the politicization of immigration enforcement and its broader implications for U.S. diplomacy and domestic stability.

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Background of Sanctuary Cities and DHS Enforcement Policies
Since an April 2025 executive order by President Donald Trump, the Department of Justice has identified 18 jurisdictions as sanctuary cities, citing their policies that impede federal immigration enforcement. These cities include New York, Los Angeles, Chicago, and Newark, among others. The Biden administration has maintained a stance that emphasizes local enforcement and immigration reform, contrasting with Mullin’s approach.
Recent protests at Delaney Hall, a detention facility operated by a private contractor for ICE, have intensified tensions between federal authorities and local officials. Mullin’s threat to withdraw customs services is seen as part of a broader political effort to pressure sanctuary jurisdictions over immigration policies.
“Instead of ensuring people who want to exercise their constitutional rights have the ability to do so, we have threats to shut down the international terminal in Newark right before the FIFA World Cup.”
— New Jersey Democratic Gov. Mikie Sherrill
“We are currently drawing up plans for these sanctuary cities where local policies hinder federal enforcement, and we believe we shouldn’t process international flights into their cities either.”
— DHS spokesperson
“Pulling CBP officers from airports could cause severe disruptions in international travel and economic losses, especially in major cities like Newark and Los Angeles.”
— an anonymous researcher

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Unclear Status and Next Steps for the Plan
It remains unclear whether the DHS will proceed with the plan to withdraw customs officers, as it has not received White House approval. The timeline for any implementation is also uncertain, and legal or diplomatic challenges could alter or halt the initiative.

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Next Developments and Official Responses Expected
The Biden administration is likely to clarify its position in the coming weeks, possibly opposing or modifying Mullin’s proposal. Congressional hearings and industry hearings may also scrutinize the plan, and local officials will continue to oppose any disruptions to airport operations. Monitoring DHS announcements and congressional responses will be key to understanding the plan’s future.

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Key Questions
Could DHS actually remove customs officers from airports?
While DHS has announced plans to draw up such measures, it is not yet clear if or when they will be implemented, especially without White House approval.
What cities are affected by this plan?
The plan targets international airports in Democratic-led sanctuary cities, including Newark, Los Angeles, and others identified as sanctuary jurisdictions.
Why is DHS considering this move?
DHS claims the move is to enforce federal immigration laws more effectively in sanctuary cities that hinder enforcement efforts.
What are the potential economic consequences?
Industry estimates suggest that removing customs officers could cost billions in international visitor spending, disrupt travel, and damage U.S. reputation abroad.
Source: Google Trends