This is a very real problem. I have 3 ideas:
It is apparently a big and growing problem. There are several new books listed in Amazon.com about stalking. Just open up your browser to Amazon.com books and type in stalking
. There is one book there: How to stop a stalker. I haven't read it. There is another: The psychology of the stalker.
I'm currently reading a book about this subject. The guy says it's a true story. He was implanted with an electronic gizmo and an international, non-governmental, ring was stalking him. I'm only half way through the book.
I have a concern like that in my own life. I had a brain scan a month ago. I have posted it. In the back of my head under the skin is clearly visible some kind of an antenna, looking like a "tail" about 3/5 inch long. I can easily feel it when I put my head on the pillow. I assume it happened when I was 13. So now I need to know if it's still operating. I know this sounds like fantasy. That is one of the problems, is that people (such as doctors) think that I'm mentally ill when I talk about it. Even my T had trouble accepting this.
The Invisible Crime: Illegal Microchip Implants and Microwave Technology and Their Use Against Humanity by Michael F. Bellhttp://smile.amazon.com/The-Invisible-Crime-Microchip-Technology/dp/1936587998/