The Trump administration is stepping up its criticism of so-called sanctuary states, arguing that restrictions on cooperation with federal immigration authorities make it harder to remove people living in the U.S. illegally. However, many state officials say they already work closely with Immigration and Customs Enforcement (ICE) in cases involving serious or violent crimes.

What Is the Dispute?

The administration has threatened lawsuits, funding cuts, and other penalties against states with policies that limit cooperation with federal immigration enforcement. President Donald Trump has argued that these policies allow dangerous criminals to avoid deportation, while state leaders say their laws are designed to build trust between immigrant communities and local law enforcement.

States Say They Still Work with ICE

According to a review of policies across multiple Democratic-led states, authorities continue to transfer people accused or convicted of serious violent offenses to ICE for detention and possible deportation. These cases often involve crimes such as murder, sexual assault, child abuse, and other major felonies.

Many states also cooperate with federal officials when presented with criminal warrants signed by a judge, even if they limit assistance in civil immigration matters.

Where the Differences Begin

Most sanctuary policies focus on civil immigration enforcement, not criminal investigations. Many states prohibit local police from holding someone solely for immigration reasons after they are eligible for release or from actively assisting ICE with routine civil immigration operations.

Supporters argue these limits encourage victims and witnesses to report crimes without fearing immigration consequences.

The Administration Pushes for More Cooperation

The Trump administration continues to encourage local agencies to join the federal 287(g) program, which allows trained local officers to assist with certain immigration enforcement duties. Several Democratic-led states have laws limiting participation in the program, while many Republican-led states have expanded it.

The issue remains one of the administration’s top immigration priorities as officials seek broader cooperation from state and local governments.

Several legal challenges over sanctuary policies are still moving through the courts, while new legislation and ballot initiatives are being proposed in some states. Immigration remains one of the country’s most closely watched political issues heading into future elections, with both parties offering sharply different approaches to enforcement.

The Bigger Picture

Although the political rhetoric remains heated, the debate often centers on how much local governments should cooperate with federal immigration authorities rather than whether they cooperate at all. Many states maintain that they support deporting individuals convicted of serious crimes while opposing broader immigration enforcement actions involving people without violent criminal records.