Cell Phones & Smartphones

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Photo of cell phone tower disguised as a palm tree.

ACLU-Obtained Documents Reveal Breadth of Secretive Stingray Use in Florida

By Nathan Freed Wessler, Staff Attorney, ACLU Speech, Privacy & Technology Project at 5:30pm
The ACLU is releasing records today obtained from law enforcement agencies across Florida about their acquisition and use of sophisticated cell phone location tracking devices known as “Stingrays.” These records provide the most detailed account to date of how law enforcement agencies across a single state are relying on the technology. (The full records are available here.)
Image of radio signal in sky

ACLU Fights for Limits on Secret Phone Tracking

By Samia Hossain, William J. Brennan Fellow, ACLU Speech, Privacy, & Technology Project at 11:08am

In March of this year, Robert Harrison had a cell phone with him while he was inside his home. Though he has kept and used a cell phone as long as any of us, this time, things were different.

Unbeknownst to Harrison, Baltimore police officers…

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Location Apps Sharing Data With Governments

By Jay Stanley, Senior Policy Analyst, ACLU Speech, Privacy & Technology Project at 12:00pm

(Update: correction below)

Forbes reported last week that the crowdsourced mapping location service Waze is beginning to share bulk location data with government bodies—with Rio de Janeiro since 2013, and soon with the state of Florida. The…

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How the Supreme Court Could Have Ruled in Riley

By Jay Stanley, Senior Policy Analyst, ACLU Speech, Privacy & Technology Project at 11:17am

Privacy advocates are celebrating the Supreme Court’s recognition in yesterday’s Riley v. California ruling that, as some have succinctly put it, “digital is different.” Chief Justice Roberts’s 9-0 opinion in the case is straightforward and…

stingray device

Internal Police Emails Show Efforts to Hide Use of Cell Phone Tracking

By Maria Kayanan, Associate Legal Director, ACLU of Florida at 9:01pm

As we suspected, local law enforcement officials are borrowing cell phone tracking devices known as “stingrays” from the U.S. Marshals Service—and police are deliberately concealing the use of stingrays in court documents submitted to judges…

Cell phone tower

New York Court Recognizes Privacy-Invasive Nature of Cell Tower Dumps But Stops Short of Requiring a Warrant

By Nathan Freed Wessler, Staff Attorney, ACLU Speech, Privacy & Technology Project at 5:49pm

A magistrate judge in New York has become only the second federal judge to issue a public ruling addressing the lawfulness of so-called “tower dumps”—the intrusive practice by which the government acquires location information for hundreds or…

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