Link to the article: https://www.dailypost.co.uk/news/north-wales-news/mum-who-put-envelope-public-32592220
1) there is no Interrogation
2) it’s local council
3) it’s because a local business was using a public bin to dispose of business waste and this has her name and address on it. Treated the same as fly tipping.
h/t dont-try-do