I don't think it already exists, but I could certainly be wrong...
The collar GPS systems are out there, but of course, easily removed by unscrupulous individuals with the intention of stealing our little ones...
As for an implant such as the current microchip implant that we have now... I'm not sure that would be, one - possible... and two, healthy..... as such a device would have to have some type of power source........ wouldn't it? |