Court Cases

We sued two Denver Police Officers for searching our client's home based on an illegal search warrant lacking probable cause.

The ACLU of Colorado filed a lawsuit challenging Boulder’s ordinance that criminalizes the city’s unhoused residents by making it a crime to sleep outside with a blanket.

The ACLU of Colorado filed an emergency class action lawsuit in the U.S. District Court for the District of Colorado to halt removals of Coloradans under the Alien Enemies Act.

The ACLU of Colorado filed a lawsuit to halt the illegal deportation of J.P.P., a Venezuelan asylum seeker, to El Salvador.

The ACLU of Colorado and the ACLU’s Voting Rights Project joined a lawsuit challenging Colorado Springs’ unusual election timing, which violates many of its minority citizens’ rights.

The ACLU of Colorado filed an amicus brief arguing that Colorado’s Sexually Violent Predator designation is punishment.

Voters challenged the election map adopted by the Weld County Board of County Commissioners arguing that it must comply with the Colorado state redistricting statutes.

The ACLU of Colorado filed an Amicus Brief in support of Ms. Griffith, a transgender woman's, equal protection challenge to her pretrial confinement in the El Paso County jail, where she was assigned to the male housing unit and denied access to women’s commissary items.

In two cases involving DHS workers’ interrogations of parents in jail, the Colorado Supreme Court held that the DHS workers were not acting as agents of law enforcement so Miranda warnings were not required.