The Real Reason the Federal Crackdown on Sanctuary Cities keeps Crashing in Court

The federal government cannot draft local police officers into a national deportation force. That fundamental constitutional boundary reasserted itself over the weekend when U.S. District Judge Fernando Olguin dismissed a high-profile Department of Justice lawsuit targeting the sanctuary policies of Los Angeles. The ruling deals a severe blow to an aggressive federal campaign aimed at forcing municipal compliance with immigration enforcement. By dismantling the administration’s core arguments regarding federal preemption and intergovernmental immunity, the court reaffirmed that cities retain total authority over how to allocate their own local tax dollars and personnel.

The legal battle stems from a lawsuit filed in June 2025 by Attorney General Pamela Bondi and U.S. Attorney Bill Essayli. The Department of Justice took aim at a 2024 Los Angeles ordinance explicitly titled "Prohibition of the Use of City Resources for Federal Immigration Enforcement." Federal prosecutors alleged that the local law actively obstructed immigration operations, connecting it to municipal unrest and accusing local leadership of violating the Supremacy Clause of the U.S. Constitution. Meanwhile, you can read similar events here: The Myth of the Sixty Second Peace Deal.

The courtroom reality proved far more mundane than the political rhetoric.

Judge Olguin dismissed the claims against Mayor Karen Bass and the Los Angeles City Council with prejudice. While the federal government retains the option to file an amended complaint against the city itself, the initial ruling exposes a glaring vulnerability in the federal legal strategy. The Department of Justice failed to establish that the local ordinance explicitly conflicts with federal statutes. To understand the full picture, check out the excellent article by Reuters.

The Friction Between Federal Statutes and Municipal Restraint

At the heart of the government’s defeat is a profound misunderstanding of what sanctuary city laws actually do. The federal government argued that the Los Angeles ordinance unlawfully restricts the exchange of information regarding immigration status.

It does nothing of the sort.

The Los Angeles ordinance prevents city employees, including officers within the Los Angeles Police Department, from asking about or collecting citizenship information in the first place. Judge Olguin noted that the law merely restricts a city employee from inquiring into or collecting information. It says nothing about the city's ability to maintain or share information that it already possesses.

This distinction is vital. Under federal law, specifically Section 1373 of Title 8 of the United States Code, local governments are prohibited from banning communication with federal immigration authorities regarding an individual’s citizenship status. However, federal law does not require local officers to act as interrogators. If a city chooses to mandate that its employees remain blind to immigration status during routine traffic stops or code enforcement inspections, the federal government possesses no constitutional mechanism to force them to ask the question.

The Anti Commandeering Principle and the Tenth Amendment

The structural breakdown of the lawsuit traces back to a foundational constitutional doctrine known as the anti-commandeering principle. Rooted in the Tenth Amendment, this principle dictates that the federal government cannot directly compel state or local officials to administer a federal regulatory program.

Immigration enforcement is exclusively a federal responsibility.

When Los Angeles enacted its ordinance, local lawmakers added an urgency clause stating that federal immigration enforcement strategies threaten public peace, health, and safety by alienating immigrant communities. Local officials have long maintained that when undocumented crime victims or witnesses fear that calling local police will result in deportation, public safety deteriorates for everyone.

The Department of Justice attempted to argue that the ordinance violates intergovernmental immunity by targeting federal operations. The court rejected this approach. Judge Olguin clarified that the ordinance regulates the actions of the city's own agents and agencies, rather than seeking to control federal officers.

A Repeat of Historical Legal Missteps

This courtroom defeat is not an isolated incident. The strategy of withholding federal grants or suing municipal governments to force immigration compliance has a long history of failure across multiple presidential administrations. Federal judges have previously dismissed similar lawsuits brought against Chicago and Boston.

In a parallel legal challenge in Northern California, U.S. District Judge William Orrick blocked executive actions attempting to slash federal funding from jurisdictions that refuse to assist with immigration enforcement. In those proceedings, courts routinely determine that executive orders attempting to attach new conditions to federal funding without explicit congressional approval overstep constitutional authority.

The Department of Justice continues to push similar litigation against states like New York and New Jersey. Each attempt encounters the same rigid constitutional wall. The federal government possesses the authority to enforce immigration law using its own personnel, such as Immigration and Customs Enforcement agents, but it lacks the power to turn municipal police departments into an administrative arm of Washington. Los Angeles City Attorney Hydee Feldstein Soto emphasized that the ordinance does not physically block federal agents from conducting operations, meaning no actual obstruction occurred.

Washington must buy its own handcuffs and hire its own agents if it wants to execute a federal mandate.