Anarchy-tyranny in 1980s New York (see “Context and Background”) led to this famous act of vigilantism and subsequent acquittal via what was essentially jury nullification:
https://en.wikipedia.org/wiki/1984_New_York_City_Subway_shoo...
Recalling a DA is firm rejection of his vision for a more-permissive justice system:
https://www.cbsnews.com/news/chesa-boudin-san-francisco-da-r...
In terms of total collapse, see Venezuela (“Public Opinion” subsection highlights ineffective courts and weak rulings):