DOJ Sues Maryland and Two Counties Over Mask Bans and Officer Identification Rules

The U.S. Department of Justice has filed a lawsuit against the State of Maryland, Maryland Attorney General Anthony G. Brown, the Maryland Police Training and Standards Commission, Prince George’s County, and Montgomery County. Federal prosecutors argue that state and local measures restricting how federal law enforcement officers conceal their faces or display identification violate the U.S. Constitution.

According to the federal complaint, state and county rules illegally attempt to regulate federal operations by barring federal officers from wearing masks and imposing specific identification mandates during their official duties. The Justice Department asserts that the federal government alone possesses the legal authority to decide what protective gear and uniforms its agents use in the field.

Constitutional Dispute Under the Supremacy Clause

At the center of the dispute is the Supremacy Clause of the U.S. Constitution, which establishes that federal law takes precedence over conflicting state and local legislation. Federal officials contend that local jurisdictions cannot dictate operating standards or safety measures for federal personnel.

The Justice Department alleges that forcing federal agents to uncover their faces and adhere to local identification standards exposes them to doxing, harassment, and physical danger. As Associate Attorney General Stanley E. Woodward Jr. stated, “Under the U.S. Constitution, the Supremacy Clause provides that states and localities do not have the authority to regulate the Federal Government.”

Challenged State and County Provisions

The lawsuit targets several specific provisions under Maryland law and local county codes. These include Maryland Public Safety statutes along with county-level rules enacted in Prince George’s County and Montgomery County:

• Maryland Public Safety Code sections 3-207, 3-535, and 3-536;
• Prince George’s County Code section 18-124; and
• Montgomery County Code section 35-13E.

Federal officials argue that threatening federal personnel with local prosecution under these statutes chills federal law enforcement operations and disrupts sensitive investigations across the state.

Broader Nationwide Enforcement Efforts

Attorney General Blanche directed the Civil Division to review state and municipal policies across the country that may interfere with lawful federal actions. The legal action in Maryland is part of a coordinated series of federal lawsuits addressing similar restrictions.

Federal authorities have launched similar challenges in New York, Virginia, Connecticut, New Jersey, California, Philadelphia, and Milwaukee. According to the Justice Department, courts addressing these mask and identification challenges in other jurisdictions have consistently granted preliminary legal relief to the federal government.

What This Means for Local Residents and Law Enforcement

For community members, the lawsuit highlights unresolved friction between local oversight policies and federal law enforcement authority. The case will determine whether local jurisdictions can enforce identification transparency and anti-mask rules against federal agents working within county borders.

Individuals involved in encounters with law enforcement should note that jurisdictional rules remain subject to active litigation. If you or a loved one face legal questions or charges connected to law enforcement interactions, consulting a qualified criminal defense attorney can help clarify your rights under evolving state and federal standards.

This article is general information based on U.S. Department of Justice and court or agency records available at publication time. It is not legal advice; laws and deadlines differ by state and by case. Published October 3, 2026.