The article below states that some of the graffiti was on a snowbank at a school and that some workers had cleaned up most of it before it could even be investigated. Sounds like she just tagged some snow/ice knowing it wouldn't have any lasting damage and now she's being demonized like the hellspawn of satan in the news.

https://www.ctpost.com/news/article/Fairfield-police-Woman-65-charged-in-political-15905754.php