I am truly surprised at what these clowns get away with nowadays. Several decades ago, back when you still actually had assigned call letters on CB and Nixon was not a crook, people didn't put up with that crap. If you were deliberately and repeatedly causing problems, nobody waited for the FCC to get involved. The locals would T-hunt you down and take care of the situation themselves right now.
If one day you found your coax pinned or cut, it meant that the channel was sending you a message and it would behoove you to heed the warning and clean up your act. In the vast majority of cases this was all that was needed to make the offender mend his ways.
But then there's always that small percentage of cretinous miscreants that are too stupid to take the hint.
I know of instances where antennas have been destroyed by several means. Once where a cable was hooked between a tower and a truck bumper and when the driver hit the gas hilarity ensued. Another instance where a friendly knock on the door with a polite request to stop was met with profanities and threats. Except what the ignorant buttwipe failed to realize was if someone knocks on your door then they know where you live, and that info can be easily broadcast across many channels until hundreds of angry people also have your address, descriptions of your mobiles, where you work and what your schedule is, etc. That imbecile was plagued with acts of random vandalism for months until he finally learned his lesson and sold all his radios.
Of course actions like this are illegal, and I don't suggest that anyone here participate in these acts. But, then again, when you put forth great effort to intentionally piss off hundreds of people, you have to expect that some of them may react poorly. If you rap on the hornet's nest, don't be surprised when you get stung.
In the end, though, the problem was eliminated. And usually quite quickly, too. Sounds like a few people near Portland need to sack-up pay mister Leon a visit and see if they can resolve problem once and for all.