https://www.washingtonpost.com/news/the-watch/wp/2015/12/28/federal-judge-drinking-tea-shopping-at-a-gardening-store-is-probable-cause-for-a-swat-raid-on-your-home/
The investigation leading to the raid began at least seven months earlier, when Robert Harte and his son went to a gardening store to purchase supplies to grow hydroponic tomatoes for a school project. A state trooper had been positioned in the store parking lot to collect the license plate numbers of customers, compile them into a spreadsheet, then send the spreadsheets to local sheriff’s departments for further investigation. Yes, merely shopping at a gardening store could make you the target of a criminal drug investigation.