Similar technology is available for several years now. Here are some local guys used it to actively catch bike thieves and made a video series about how it work

Similar technology is available for several years now. Here are some local guys used it to actively catch bike thieves and made a video series about how it worked out in practice. Here's the episode detailing how they recovered a stolen bike in London: http://www.youtube.com/watch?v=obqEJVsWq8o http://www.youtube.com/watch?v=obqEJVsWq8o