“What Are You Afraid Of?”: Can Newsom Dictate How Federal Officers Do Their Job?

A new law signed in California, born from the white-hot political conflict over immigration, has set the nation’s most populous state on a direct and unavoidable collision course with the federal government. The immediate issue is whether federal immigration officers can wear masks during enforcement operations. But the foundational question at stake is far graver: Who is in charge?

Governor Gavin Newsom signing a bill

The Law and the Defiance

Reacting to controversial immigration raids conducted by masked federal agents in unmarked cars, California Governor Gavin Newsom has signed a first-in-the-nation bill banning all law enforcement – including federal officers – from wearing masks on the job. Newsom framed the law as a necessary check on what he described as secretive and unaccountable tactics.

“Unmarked cars, people in masks, people quite literally disappearing, no due process, no rights… Enough, ICE, unmask, what are you afraid of?”

– Governor Gavin Newsom

The Trump administration’s response was immediate and defiant. A DHS spokesperson dismissed the law as “garbage,” and the acting U.S. Attorney for the region, Bill Essayli, was unequivocal: “The State of California does not and cannot have jurisdiction.” This is not a disagreement; it is a fundamental dispute over power.

governor gavin newsom speaking to press deptember 2025

The Constitution’s Ultimate Arbiter: The Supremacy Clause

This looming legal battle is a textbook test of one of the Constitution’s most important pillars: the Supremacy Clause. Found in Article VI, Clause 2, it establishes that the Constitution and the federal laws made in accordance with it are the “supreme Law of the Land,” overriding any conflicting state laws.

The central question for the courts will be whether California’s mask ban unconstitutionally interferes with the federal government’s ability to execute its congressionally mandated duties. While states have broad powers to regulate the health and safety of their citizens, that power generally ends where the legitimate functions of the federal government begin.

The Supremacy Clause text from the U.S. Constitution

The Limits of State Power

Proponents of the California law will likely point to the Tenth Amendment, which reserves powers not delegated to the federal government to the states. They will argue that regulating the conduct of law enforcement operating within California is a valid exercise of the state’s inherent “police powers.”

federal ice officers in california wearing masks

However, this argument is almost certain to fail in court. While a state can ticket a federal agent for speeding, it cannot dictate the operational security, tactics, or uniforms of a federal law enforcement agency. Legal precedent is clear that states cannot “commandeer” or otherwise direct the actions of federal officers.

The administration’s argument – that officer safety and operational integrity require the option of anonymity – will almost certainly be seen by the courts as a core federal function, immune from state interference.

This is a battle destined for a federal courtroom, where the outcome is not seriously in doubt. But the political goal has already been achieved: a high-profile, public confrontation between a defiant state and the President, with the Constitution itself as the battlefield.