How should I respond to some unusual organized harassment in the community

My situation is somewhat difficult to describe, but about two months ago planes began arriving at an airport near my house and an organized stalking effort began. As I'm driving to and from home, cars will begin encircling me or cutting me off in public, and these cars seem to fall into premeditated color-coded patterns. I've driven by the airport, and whenever I do these cars begin pouring out of the parking lot and pursuing me. It seems like this effort has spread out into the community at large to a certain extent, with nearby neighborhoods participating as well. There is also undue attention being paid to me in casual environments, such as at restaurants or while I'm in any kind of line; it seems like there is some kind of premeditated plan to harass me whenever I'm in public, especially in locations that I regularly visit. Is there any sort of legal precedent for community harassment on a large scale such as this, seemingly organized from a central base that is probably also centralized financially, and maybe even some kind of corporate effort? What kind of legal recourse would an individual have available in this situation?

I should also say that this unrelenting harassment has become socially debilitating and could probably be linked with symptoms of depression.

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