Skip navigation
Documenting Police Tech
in Our Communities

Explore 6,000 datapoints in the U.S. collected by hundreds of researchers. Last updated Oct. 28, 2020 (Methodology)

TOGGLE the Legend to reveal how each technology is spreading.

ZOOM into any region to see the technologies in detail.


Atlas of Surveillance

Documenting Police Tech in Our Communities

The Atlas of Surveillance is a database of the surveillance technologies deployed by law enforcement in communities across the United States. This includes drones, body-worn camera, automated license plate readers, facial recognition, and more.

This research was compiled by more than 500 students and volunteers and incorporates datasets from a variety of public and non-profit sources.

Privacy info. This map will serve content from, a third-party host, which may restrict access for users on Tor or users with third-party cookies blocked. If you're having trouble viewing the map, you can Search the Data.