Wisconsin Supreme Court Takes Up Case Over County Sheriffs Honoring ICE Detainers

The American Civil Liberties Union brought the lawsuit against five county sheriffs for holding detainees on behalf of ICE.
Wisconsin Supreme Court Takes Up Case Over County Sheriffs Honoring ICE Detainers
Immigration and Customs Enforcement agents detain an illegal immigrant near Washington in May 2025. Courtesy of US Immigration and Customs Enforcement
Bill Pan
Bill Pan
Reporter
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Wisconsin’s highest court is set to decide whether it is legal for local jails to hold detainees at the request of federal immigration authorities.

On Dec. 3, a majority of justices on the Wisconsin Supreme Court voted to take up a lawsuit filed by the American Civil Liberties Union (ACLU) on behalf of Voces de la Frontera, a Milwaukee-based immigrant rights group. They granted the ACLU’s request to hear the case as an original action, allowing it to skip the lower courts entirely.