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Index/Topics/Fourth Amendment Doctrine

Fourth Amendment Doctrine

The historic Fourth Amendment doctrine, including plain view, consent, exigent circumstances, and hot pursuit.

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Jan 22, 2026
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How have courts ruled in recent cases challenging ICE entries into private homes without judicial warrants?

Courts so far have split: some district courts have enjoined certain tactics and limited forced entries, while appellate panels have issued stays or relied on historical exceptions to the Fourth Amend...

Jan 12, 2026
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What federal laws or court rulings constrain warrantless location‑data acquisition by immigration authorities?

Federal constraints on immigration authorities’ warrantless acquisition of location data are a patchwork of Fourth Amendment doctrine, a few court rulings limiting arbitrary searches at the border, sp...