A Mild-Mannered Report From AZ Mirror ... Worrisome To Say The Very Least

" . . .According to public records the Mesa Police Department provided, it shares its detection data with close to 800 agencies across the country, as well as a shared NVLS database accessed by 523 agencies. However, its media relations detective, Nik Rasheta, stated in an email that the data was only shared via NVLS.Mesa PD receives information from more than 100 agencies (and also has access to the NVLS database), . . " 
Arizona police agencies gather & share license plate data, but few ensure rules are being followed
by Yael Grauer
Last Updated: July 8, 2019 3:04 pm
AZ Mirror.com  

Yup. Why worry? What could they know??

"The practice is worrisome for civil liberties advocates, who view the sweeping data collection as too expansive."
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Other states

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Posted: 5/14/2016 12:03:56 PM EDT        
http://www.autoblog.com/2016/05/13/google-maps-license-plate-reader-police-vehicle-video/
"On May 11, Matt Blaze walked by an odd vehicle that had suspicious-looking Google Maps stickers. Plus the vehicle was registered to the City of Philadelphia and had a Pennsylvania State Police placard in the window. It was also fitted with license plate readers – the controversial technology used by law enforcement to automatically record and track thousands of vehicle movements. These movements are then stored in police databanks, with very few protocols for who can access those files.
> Pennsylvania State Police tweeted back that the vehicle wasn't one of theirs, despite the markings and registration.
> A trooper with PA police also told Gizmodo it wasn't theirs.
But Pennsylvania State Police admitted by late afternoon Thursday that the mystery SUV was indeed part of their fleet, but denied knowing anything about the Google Maps decals, Motherboard reported. They are investigating how the stickers got on the SUV and claims they have since been removed. Google is also launching its own investigation into the matter.