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Every phone leaves a trail — Supreme Court holds location data is protected by the Fourth ...

US Supreme Court rules in Chatrie v. United States that historical cell phone location data is protected by the Fourth Amendment, regardless of duration or source app, requiring law enforcement to obtain a warrant before accessing any detailed location history from smartphone providers.

This Wire brief sits within Fusion42's coverage of Cybersecurity. Wire is Fusion42's founder-focused intelligence feed: each story is connected to the funds and startups it names — every one with a live profile on Raise or Scout — so founders can follow the capital and the momentum behind the headline rather than just the headline itself. Wire analysis is one of the live surfaces Arthur, Fusion42's AI co-founder, reasons over.

The Wire takeaway

If you operate a location-data platform or app, you now have a legal duty to refuse warrantless law enforcement requests and to log them — your customers will sue if you don't, and the government has just lost the ability to pressure you into compliance without paper. Build your warrant-handling process this quarter or face class action exposure.

Read the full story at wiley.law

Topics: Cybersecurity · fourth-amendment · location-data · warrant-requirement · tech-compliance · privacy-regulation

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Verified 16 July 2026 · Sources: Fusion42 review