Conor Friedersdorf writes: Throughout the United States — outside private houses, apartment complexes, shopping centers, and businesses with large employee parking lots — a private corporation, Vigilant Solutions, is taking photos of cars and trucks with its vast network of unobtrusive cameras. It retains location data on each of those pictures, and sells it.

It’s happening right now in nearly every major American city.

The company has taken roughly 2.2 billion license-plate photos to date. Each month, it captures and permanently stores about 80 million additional geotagged images. They may well have photographed your license plate. As a result, your whereabouts at given moments in the past are permanently stored. Vigilant Solutions profits by selling access to this data (and tries to safeguard it against hackers). Your diminished privacy is their product. And the police are their customers.

The company counts 3,000 law-enforcement agencies among its clients. Thirty thousand police officers have access to its database. Do your local cops participate?

If you’re not sure, that’s typical.

To install a GPS tracking device on your car, your local police department must present a judge with a rationale that meets a Fourth Amendment test and obtain a warrant. But if it wants to query a database to see years of data on where your car was photographed at specific times, it doesn’t need a warrant — just a willingness to send some of your tax dollars to Vigilant Solutions, which insists that license plate readers are “unlike GPS devices, RFID, or other technologies that may be used to track.” Its website states that “LPR is not ubiquitous, and only captures point in time information. And the point in time information is on a vehicle, not an individual.” [Continue reading…]