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But the little infrared devices can do big things — capturing the license plate numbers of passing cars and continuously running them through a database, letting Elsey know if there is a “hit” on a possible stolen car or wanted suspect.
The readers can be affixed to vehicles, bridges, overpasses and at border crossings
With millions of plates being scanned and often stored in databases across the country, the growing use of the readers has some civil libertarians and privacy proponents worried about potential abuse, such as tracking a spouse or ex-lover or even tracking the movements of a political opponent.
A big question in determining whether your expectation of privacy is "reasonable" and protected by the Fourth Amendment arises when you have "knowingly exposed" something to another person or to the public at large. Although Katz did have a reasonable expectation of privacy in the sound of his conversation, would he have had a reasonable expectation of privacy in his appearance or actions while inside the glass phone booth? Probably not.
Thus, some Supreme Court cases have held that you have no reasonable expectation of privacy in information you have "knowingly exposed" to a third party — for example, bank records or records of telephone numbers you have dialed — even if you intended for that third party to keep the information secret. In other words, by engaging in transactions with your bank or communicating phone numbers to your phone company for the purpose of connecting a call, you’ve "assumed the risk" that they will share that information with the government.
GNOarmy
In the jurisdiction in which I reside, the local police do use these, but it is said that the information is purged once per week and it is not being viewed unless there is a "hit".
grey580
reply to post by DontTreadOnMe
When in public, you have no reasonable expectation of privacy.
Katz V United States
ssd.eff.org...
A big question in determining whether your expectation of privacy is "reasonable" and protected by the Fourth Amendment arises when you have "knowingly exposed" something to another person or to the public at large. Although Katz did have a reasonable expectation of privacy in the sound of his conversation, would he have had a reasonable expectation of privacy in his appearance or actions while inside the glass phone booth? Probably not.
Thus, some Supreme Court cases have held that you have no reasonable expectation of privacy in information you have "knowingly exposed" to a third party — for example, bank records or records of telephone numbers you have dialed — even if you intended for that third party to keep the information secret. In other words, by engaging in transactions with your bank or communicating phone numbers to your phone company for the purpose of connecting a call, you’ve "assumed the risk" that they will share that information with the government.
Nuke2013
reply to post by DontTreadOnMe
Here in Quebec, the plate does not belong to the car owner, it bolongs to the dept of transportation so...They can scan their own plates all they want.
Source
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