Over the past year, we’ve uncovered crucial details of cell phone tracking: from the nondisclosure agreement that police sign with the FBI to the DEA’s inventory of StingRays to baby steps taken by the Justice Department to increase transparency around cell phone tracking.

The Non-Disclosure Agreement

Federal Agencies

The Justice Department

Drug Enforcement Agency

FBI

US Marshals Service

State Agences

Illinois State Police

Local Agencies

Boston Police Department

Image by Alan Levine via Flickr and is licensed under CC BY-SA 2.0