Denver Mayor Johnston Claims Sanctuary Policies Boost Safety As Federal Lawsuits Advance

February 18, 2026
By External Outlet

By Deborah Grigsby | The Denver Gazette

Denver has joined some 140 cities, counties and elected officials in filing two amicus briefs backing Minnesota and Rochester, New York — jurisdictions sued by the Trump administration’s over their “sanctuary” policies.

In a statement, Denver Mayor Mike Johnston characterized the White House’s actions as “defunding” and “punishing” America’s “sanctuary cities.”

The Trump administration, meanwhile, said sanctuary jurisdictions have stood in the way of enforcing immigration laws.

Johnston’s office described Minnesota and Rochester as “cities that, like Denver, are fighting back against the White House’s baseless attempts to rewrite local and state law in violation of the U.S. Constitution.”

An amicus brief – or friend of the court brief – is a legal document that allows a party not named in the case to provide an outside perspective on an issue under litigation. 

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