County record · Illinois

Williamson County

4 Deployments on record

3 Agencies

2 Technology categories

Technology presence

ALPR · 3 Fixed cameras & RTCC · none on record Face recognition · none on record Drones / UAS · 1 Gunshot detection · none on record Body-worn & dashcam · none on record Doorbell & camera registry · none on record Cell-site simulators · none on record Predictive policing · none on record Social-media monitoring · none on record

The record, by agency

Williamson County Sheriff's Office

Marion · 2 deployments · on UnGovr: Williamson County

ALPR Vendor: Flock Safety

The Williamson County Sheriff's Office operates eight Flock Safety automated license plate readers as of September 2025.

Sources (via the EFF Atlas): Pittsboro Police Department

Drones / UAS

The Williamson County Sheriff's Office has two drones, according to the 2024 Illinois Freedom from Drone Surveillance Act Report.

Sources (via the EFF Atlas): Illinois Criminal Justice Information Authority

Herrin Police Department

Herrin · 1 deployment · on UnGovr: City of Herrin

ALPR Vendor: Flock Safety

The Herrin Police Department operates 10 Flock Safety automated license plate readers and other cameras as of June 2025. The agency stores ALPR data for 30 days.

Sources (via the EFF Atlas): Flock Safety

Johnston City Police Department

Johnston City · 1 deployment · on UnGovr: City of Johnston City

ALPR Vendor: Flock Safety

The Johnston City Police Department operates five Flock Safety automated license plate readers as of September 2025.

Sources (via the EFF Atlas): Pittsboro Police Department

Source: EFF Atlas of Surveillance (Electronic Frontier Foundation & University of Nevada, Reno — Reynolds School of Journalism) · CC BY 4.0 · retrieved July 2026