Chicago had tried Chicago Alternative Policing Strategy (CAPS) in 90-s it was so famous that even I heard about it during my lessons on urban planning. In Russia.

And it was not entirely unsuccessful, but definitely much less effective than policing in NYC.

I read multiple articles from both conservative and progressive sources about the drop of crime in NYC. The evidence is decidedly mixed. "Broken windows" policies probably helped a lot during the 90-s but lost their efficacy by the early 2000-s. Stop-and-frisk probably reduced the rate of serious crimes, mostly through incidental arrests but undermined some of the community trust. It also was unconstitutional.