This is why it's so important to maintain the school-to-prison pipeline, because we never made slavery illegal, we just made it so you have to be a criminal first.
Typically, the crime is being poor. Our forefathers made sure people of color will remain disproportionately trapped in poverty, and poor whites are described as "trash". We have many mechanisms in place to make sure anyone born poor stays there, generationally.
The system isn't broken. It is working as designed.