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Index/Topics/US Sanctuary Jurisdictions Lawsuits 2020

US Sanctuary Jurisdictions Lawsuits 2020

The federal government's lawsuits against sanctuary jurisdictions in the US since 2020, including the Justice Department's filings and the responses from local governments and advocacy groups.

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3 results
Jan 20, 2026
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How have federal courts ruled on state or local sanctuary statutes, and which decisions most affect statewide policies?

Federal courts have balanced two durable doctrines — the federal government’s plenary power over immigration and the Tenth Amendment anti‑commandeering limit on forcing states to enforce federal law —...

Feb 1, 2026

Which court rulings have most constrained state laws banning sanctuary policies since 2017?

Since 2017 the most consequential court rulings constraining federal attempts to punish have not struck down sanctuary laws themselves but have limited the federal government’s ability to coerce state...

Jan 15, 2026

What legal challenges have federal governments brought against sanctuary cities since 2020?

Since 2020 the federal government has reignited a multi-pronged legal campaign against so‑called sanctuary jurisdictions that includes civil lawsuits asking courts to invalidate local and state restri...

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