Court Cases

The ACLU of Colorado is appealing the Silverthorne Municipal Court order that wrongfully sentenced Mr. Tettamanti to three days in jail for contempt.

ACLU of Colorado filed a lawsuit against ICE to obtain additional records regarding the agency’s ramp-up plans to expand immigration detention across Colorado and Wyoming. The government has since produced heavily redacted documents revealing some new information about ICE's plans.

The ACLU of Colorado filed an amicus brief in support of a petition for certiorari asking the Colorado Supreme Court to decide whether the state hospital’s nine-month delay in sending Mr. Vernagallo to restoration services is attributable to the government for the purpose of his constitutional right to a speedy trial.

The ACLU of Colorado filed a class action lawsuit in federal court seeking to declare that ICE and DHS’s new practice of denying release on bond to groups of noncitizens violates federal law.

The ACLU of Colorado has joined an appeal with the ACLU’s Immigrants’ Rights Project, the ACLU of Oklahoma, and immigration lawyer Kelli Stump challenging the denial of a writ of habeas corpus filed on behalf of a noncitizen wrongfully detained in Oklahoma.

The ACLU of Colorado filed a class action lawsuit seeking a declaration that state of Colorado officials are illegally confining hundreds of children in dangerous detention facilities instead of providing them with community services.

The ACLU of Colorado joined ACLU Criminal Law Reform Project, Civil Rights Corps, Professors Kellen R. Funk and Sandra G. Mayson, and the Korey Wise Innocence Project in support of a petition for rehearing regarding the state constitutional right to bail.

The ACLU of Colorado filed a class-action lawsuit against the Trump administration to enjoin ICE from conducting warrantless arrests in Colorado without probable cause that the person is a flight risk and in the country without proper legal documentation. On November 25, 2025, a federal judge found ICE had unlawfully arrested each of the named plaintiffs, certified a class of similarly situated individuals, and enjoined ICE from arresting anyone in Colorado without a warrant without first making the probable cause findings required by law.

The ACLU of Colorado joined the Innocence Project and the Korey Wise Innocence Project to submit Amici Briefs in support of challenges to the admissibility of firearm toolmark analysis.