Here's Alvin Bragg, talking about no longer charging certain crimes at all:
https://www.cnn.com/2022/01/06/us/alvin-bragg-manhattan-dist...
Here's George Gascon doing the same in LA:
https://abc7.com/george-gascon-los-angeles-district-attorney...
If you prefer specific cases, here are some lawyers who were facing domestic terrorism charges for firebombing a police car. They had already plead guilty. They were given a new, lesser plea deal:
https://jonathanturley.org/2022/06/05/new-york-attorneys-acc...
I can find a lot more individual cases. For example, the Zimminskis who may only have been prosecuted because Binger was called to account for that during trial. They managed to get arrested for multiple other crimes, including a kidnapping, while on bail.