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How Cops Are Using Flock's ALPR Network to Surveil Protesters and Activists

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Re: How Cops Are Using Flock's ALPR Network to Surveil Protesters and Activists

#2
I recently contributed to https://deflock.me/

We had a local story where the gist was the police said they searched ALPR for the welfare of a young woman, but it was actually more focused on a possible abortion. [1] "Unrelated" this same Sheriff was later charged with sexual harassment, perjury, and retaliation against a witness [2]. These are the types that are able to easily track you if they wanted to.

[1] https://www.eff.org/deeplinks/2025/10/flock-safety-and-texas...

[2] https://www.fox4news.com/news/johnson-county-sheriff-arreste...

Re: How Cops Are Using Flock's ALPR Network to Surveil Protesters and Activists

#4
Local strategies, "The Cameras Tracking You Are a Security Nightmare" (90 comments), https://news.ycombinator.com/item?id=45945960#45947911

"Find Nearby Automated License Plate Readers (ALPR)" (70 comments), https://news.ycombinator.com/item?id=45487452

Adversarial computer vision and DIY OSS $250 RPi Hailo ALPR (2M views), https://www.youtube.com/watch?v=Pp9MwZkHiMQ

"Tire Pressure Sensor IDs: Why, Where and When (2015)" (30 comments), https://news.ycombinator.com/item?id=45490202

Re: How Cops Are Using Flock's ALPR Network to Surveil Protesters and Activists

#7
"the only reason an officer is able to even search for a suspect at a protest is because ALPRs collected data on every single person who attended the protest."

No. This is simply not accurate. They collected data on every single car that attended, but there easily could be more people at the protest that rode in the same car, lyft/uber, took a bus, walked, or any other methods of getting there without a car.

Re: How Cops Are Using Flock's ALPR Network to Surveil Protesters and Activists

#8
post #2

I recently contributed to https://deflock.me/ We had a local story where the gist was the police said they searched ALPR for the welfare of a young woman, but it was actually more focused on a possible abortion. [1] "Unrelated" this same Sheriff was later charged with sexual harassment, perjury, and retaliation against a witness [2]. These are the types that are able to easily track you if they wanted to. [1] https:/…

Checked out the map, there is one near me on a parking lot with this OSM data

> camera:type fixed

> direction 340

> man_made surveillance

> surveillance:type ALPR

Which results in "Operated by: Unknown, Made by: Unknown". What am I supposed to do with that info I wonder. How would I find out if it's actually Flock or if law enforcement would actually have access to this particular camera.

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