“...state troopers showed up at her home...”
So, they knew her correct address.
I bet the letters, certified mail, and notices postd on her door made it to the correct address too.
She didn’t go to jail for not paying $280. She went to jail for ignoring the notices, because ‘somebody’ told her she ‘didn’t have to pay it’.
The way that you are siding with law enforcement makes me think that you are either a LEO or a judge/lawyer. The net result is the same. These people are going to jail for not being able to pay debt. One of the reasons I am still married is because I have told my wife in no uncertain terms that I will not be a slave to the courts. I told here I would leave the country as an expat before I ever got caught up in the legal system after a divorce. I would leave the country before the divorce process even started.