Georgia Criminal Defense Lawyers Blog
Federal agencies can use the “national security” exception to avoid search warrants and use unobtrusive stingrays and dirtboxes to obtain cell phone numbers, owners’ names, and owners’ addresses. Without targeting a suspect, they can access large swaths of data by using this technology in crowds. They can even use that data after participants leave a gathering to track and investigate the people in attendance.
What are Stingrays and Dirtboxes?
https://theintercept.com/2020/07/31/protests-surveillance-stingrays-dirtboxes-phone-tracking/