Skip to main content
About
Contact
Press
People
Opportunities
EFF's 35th Anniversary
Issues
Free Speech
Privacy
Creativity and Innovation
Transparency
International
Security
Our Work
Deeplinks Blog
Press Releases
Events
Legal Cases
Whitepapers
Podcast
Annual Reports
Take Action
Action Center
Electronic Frontier Alliance
Volunteer
Tools
Privacy Badger
Surveillance Self-Defense
Certbot
Atlas of Surveillance
Cover Your Tracks
Street Level Surveillance
apkeep
Donate
Donate to EFF
Giving Societies
Shop
Sponsorships
Other Ways to Give
Membership FAQ
Donate
Donate to EFF
Shop
Other Ways to Give
Email updates on news, actions,
and events in your area.
Join EFF Lists
Electronic Frontier Foundation
Donate
EFFecting Change: The Human Cost of Online Age Verification on January 15
Electronic Frontier Foundation
About
Contact
Press
People
Opportunities
EFF's 35th Anniversary
Issues
Free Speech
Privacy
Creativity and Innovation
Transparency
International
Security
Our Work
Deeplinks Blog
Press Releases
Events
Legal Cases
Whitepapers
Podcast
Annual Reports
Take Action
Action Center
Electronic Frontier Alliance
Volunteer
Tools
Privacy Badger
Surveillance Self-Defense
Certbot
Atlas of Surveillance
Cover Your Tracks
Street Level Surveillance
apkeep
Donate
Donate to EFF
Giving Societies
Shop
Sponsorships
Other Ways to Give
Membership FAQ
Donate
Donate to EFF
Shop
Other Ways to Give
US v. Patrick - Government Letter Admitting Stingray Use
DOCUMENT
US v. Patrick - Government Letter Admitting Stingray Use
https://www.eff.org/files/2016/04/22/usa_letter_admitting_stingray_use.pdf
US v. Patrick - Government Letter Admitting Stingray Use
Related Issues
Privacy
Cell Tracking
Locational Privacy
Related Cases
State of Maryland v. Kerron Andrews
Back to top
JavaScript license information
