Just today I was preparing some slides for a course that makes the student participate and show some topics we're interested in regarding social and ethical issues in compsci

I googled a bit and I found a hn comment that talked about an article which explains what you say

Basically, they estimate drug use in the population, and they draw a map, and black and white people more or less have the same habits in drugs use. They draw a map of the past arrests by the police for drug crimes and they're skewed towards the black neighborhood. There's a bit more about it since the article dealt with predictive policing and Ai but the gist is what you're saying, and this causes a self reinforcing feedback for the police (which in turn arrests more black people and the loop goes on)

https://rss.onlinelibrary.wiley.com/doi/full/10.1111/j.1740-...