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Documenting Police Tech in Our Communities
with Open Source Research



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Lancaster Police Department: Gunshot Detection

Illustration of how gunshot detection would function in an urban area
Sensors triangulate the location of gunfire.
Credit: ShotSpotter/City of Seattle
Agency Lancaster Police Department
Location Lancaster, CA
Technology Gunshot Detection
Vendor SoundThinking

The Lancaster Police Department began using ShotSpotter gunshot detection technology in 2024.

More about this technology

A system of acoustic sensors mounted on street lights or on the sides of buildings that passively listen for gunshots.

Illustration of how gunshot detection would function in an urban area
Sensors triangulate the location of gunfire.
Credit: ShotSpotter/City of Seattle