Not too recently, it seems, as this link shows: http://www.examiner.com/page-one-in-houston/police-line-up-to-use-drones-on-patrol-after-houston-secret-test ht

Not too recently, it seems, as this link shows: http://www.examiner.com/page-one-in-houston/police-line-up-to-use-drones-on-patrol-after-houston-secret-test http://www.examiner.com/page-one-in-houston/police-line-up-t... I wasn't on Hacker News at the time(I'm on here now just as much as I've been on Reddit) but I could only imagine the storm it created. There was also a more recent incident of a Mexican UAV crashing across the border into El Paso, TX: http://www.policemag.com/Channel/Vehicles/News/2010/12/18/Mexican-Drone-Crashes-In-El-Paso-Backyard.aspx http://www.policemag.com/Channel/Vehicles/News/2010/12/18/Me... I don't know if I'm more freaked out at the possibility of seeing dozens of these flying around at any given time in the future, or the fact that I won't be able to see even a single one at any given time, knowing it could be observing innocent civilians for no good reason.