Court Cases

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 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.

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.