You know the towtruck&#x2F;repo industry currently compiles exactly this kind of dataset, and trades&#x2F;sells it to each other? I have no doubt that well funded paparazzi already have access to exactly the tool you describe.<p><a href="http:&#x2F;&#x2F;www.nytimes.com&#x2F;2010&#x2F;02&#x2F;28&#x2F;automobiles&#x2F;28REPO.html?_r=0" rel="nofollow">http:&#x2F;&#x2F;www.nytimes.com&#x2F;2010&#x2F;02&#x2F;28&#x2F;automobiles&#x2F;28REPO.html?_r...</a>
<a href="http:&#x2F;&#x2F;www.nbcnews.com&#x2F;news&#x2F;other&#x2F;license-plate-data-not-just-cops-private-companies-are-tracking-f6C10684677" rel="nofollow">http:&#x2F;&#x2F;www.nbcnews.com&#x2F;news&#x2F;other&#x2F;license-plate-data-not-jus...</a>
<a href="http:&#x2F;&#x2F;www.thenewspaper.com&#x2F;news&#x2F;43&#x2F;4338.asp" rel="nofollow">http:&#x2F;&#x2F;www.thenewspaper.com&#x2F;news&#x2F;43&#x2F;4338.asp</a>