https://www.theatlantic.com/national/archive/2014/07/arreste...
https://www.telegraph.co.uk/news/worldnews/northamerica/usa/...
https://geekdad.com/2015/01/kids-play-arrested/
https://www.cnn.com/2014/07/31/living/florida-mom-arrested-s...
https://www.usatoday.com/story/news/nation/2015/04/13/parent...
I didn't even have to dig to find these, they're from the first page of results of a single Google search.
Counterpointing myself though, in the third link you can see reference to active pushback against this whole thing: http://www.freerangekids.com/