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Wisconsin Supreme Court to Review Immigration Detention Practices

12/4/2025

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Summary

Story summary

The Wisconsin Supreme Court will review whether local jails may detain individuals at federal immigration authorities’ requests.
The case, Voces de la Frontera v. Gerber, was brought by Voces de la Frontera, an immigrant rights group.
The ACLU argues detaining beyond release dates constitutes a new arrest under state law.
In 2025, over 700 detainers were sent to local jails, resulting in at least 247 unlawful detentions.

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Story summary

The Wisconsin Supreme Court will review whether local jails may detain individuals at federal immigration authorities’ requests.
The case, Voces de la Frontera v. Gerber, was brought by Voces de la Frontera, an immigrant rights group.
The ACLU argues detaining beyond release dates constitutes a new arrest under state law.
In 2025, over 700 detainers were sent to local jails, resulting in at least 247 unlawful detentions.