The two-tiered justice system of the US is famous.

https://www.nytimes.com/1964/03/15/archives/equal-justice-for-the-poor-too-far-too-often-moneyor-the-lack-of.html

https://www.sentencingproject.org/publications/un-report-on-racial-disparities/#:~:text=The%20United%20States%20in%20effect,with%20constitutional%20protections%20for%20defendants.